Exhibit 21



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|----------------------------------------------------------------------------------------------------------------------------- |  | ---------------------------------- |  | -----------------------------------------------------------------------------------------------------------------------------
|LEGAL NAME                                                                                                                    |  | STATE OF INCORPORATIONOR FORMATION |  | DBA INFORMATION                                                                                                              
|4therapy.com NETWORK                                                                                                          |  | California                         |  |                                                                                                                              
|                                                                                                                              |  |                                   
|Academy of the Sierras, a Healthy Living Academy, LLC                                                                         |  | Delaware                           |  | Academy of the Sierras North Carolina                                                                                        
|                                                                                                                              |  |                                   
|Academy of the Sierras, LLC                                                                                                   |  | Delaware                           |  |                                                                                                                              
|                                                                                                                              |  |                                   
|Adirondack Leadership Expeditions, LLC (f/k/a Adirondack Expeditions, LLC)                                                    |  | Delaware                           |  |                                                                                                                              
|                                                                                                                              |  |                                   
|Advanced Treatment Systems, Inc.                                                                                              |  | Virginia                           |  | Coatesville Treatment Ctr. Lebanon Treatment
Ctr.                                                                            
|                                                                                                                              |  |                                   
|AHS of Idaho, Inc.                                                                                                            |  | Idaho                              |  | SUWS Adolescent Program SUWS Youth Programs                                                                                  
|                                                                                                                              |  |                                   
|Aspen Achievement Academy, LLC (f/k/a Aspen Achievement Academy, LLC)                                                         |  | Delaware                           |  |                                                                                                                              
|                                                                                                                              |  |                                   
|Aspen Education Group, Inc. (f/k/a Aspen Youth Services, Inc.)                                                                |  | California                         |  |                                                                                                                              
|                                                                                                                              |  |                                   
|Aspen Institute for Behavioral Assessment, LLC (f/k/a Aspen Institute of Behavioral Assessment, LLC and O and A Project, LLC) |  | Delaware                           |  |                                                                                                                              
|                                                                                                                              |  |                                   
|Aspen Ranch, LLC                                                                                                              |  | Delaware                           |  |                                                                                                                              
|                                                                                                                              |  |                                   
|Aspen Youth, Inc.                                                                                                             |  | California                         |  |                                                                                                                              
|                                                                                                                              |  |                                   
|ATS of Cecil County, Inc.                                                                                                     |  | Virginia                           |  | Cumberland Treatment Ctr. Elkton Treatment
Ctr. Pine Heights Treatment Ctr. Whitestone Treatment Center Wise Treatment Center
|                                                                                                                              |  |                                   
|ATS of Delaware, Inc.                                                                                                         |  | Virginia                           |  | Claymont Treatment Ctr. Dover Treatment
Ctr.                                                                                 
|                                                                                                                              |  |                                   
|ATS of North Carolina, Inc.                                                                                                   |  | Virginia                           |  | Carolina Treatment Ctr. of Fayetteville Carolina
Treatment Ctr. Of Pinehurst Carolina Treatment Ctr. Of Goldsboro            
|                                                                                                                              |  |                                   
|AYS Management, Inc.                                                                                                          |  | California                         |  |                                                                                                                              
|                                                                                                                              |  |                                   
|Baton Rouge Treatment Ctr., Inc.                                                                                              |  | Louisiana                          |  | Baton Rouge Treatment Ctr.                                                                                                   
|                                                                                                                              |  |                                   
|Bayside Marin, LLC                                                                                                            |  | Delaware                           |  |                                                                                                                              
|                                                                                                                              |  |                                   
|Beckley Treatment Center, Inc.                                                                                                |  | West Virginia                      |  | Beckley Treatment Center                                                                                                     
|                                                                                                                              |  |                                   
|BGI of Brandywine, Inc.                                                                                                       |  | Virginia                           |  |                                                                                                                              
|                                                                                                                              |  |                                   
|Bowling Green Inn of Pensacola, Inc.                                                                                          |  | Virginia                           |  | 12 Oaks Treatment Center Wellness Resource
Center                                                                            
|                                                                                                                              |  |                                   
|Bowling Green Inn of South Dakota, Inc.                                                                                       |  | Virginia                           |  | Keystone Treatment Center                                                                                                    
|                                                                                                                              |  |                                   
|Bromley Brook School, LLC (f/k/a Manchester Acquisition Co., LLC)                                                             |  | Delaware                           |  |                                                                                                                              



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|-------------------------------------------------------------------------- |  | ---------------------------------- |  | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|LEGAL NAME                                                                 |  | STATE OF INCORPORATIONOR FORMATION |  | DBA INFORMATION                                                                                                                                                                        
|California Treatment Services (Partnership)                                |  | California                         |  | Recovery Solutions of Santa Ana                                                                                                                                                        
|                                                                           |  |                                   
|Camp Huntington, Inc.                                                      |  | New York                           |  |                                                                                                                                                                                        
|                                                                           |  |                                   
|Camp Wellspring, LLC                                                       |  | Delaware                           |  | Wellspring New York                                                                                                                                                                    
|                                                                           |  |                                   
|CAPS of Virginia, Inc.                                                     |  | Virginia                           |  |                                                                                                                                                                                        
|                                                                           |  |                                   
|Cartersville Center, Inc.                                                  |  | Georgia                            |  | Cartersville Center                                                                                                                                                                    
|                                                                           |  |                                   
|Cedars Academy, LLC (f/k/a Cedars Acquisition, LLC)                        |  | Delaware                           |  |                                                                                                                                                                                        
|                                                                           |  |                                   
|Charleston Treatment Center, Inc.                                          |  | West Virginia                      |  | Charleston Treatment Center                                                                                                                                                            
|                                                                           |  |                                   
|Clarksburg Treatment Center, Inc. EIN
55-0785369                           |  | West Virginia                      |  | Clarksburg Treatment Center                                                                                                                                                            
|                                                                           |  |                                   
|Comprehensive Addictions Programs, Inc.                                    |  | Delaware                           |  |                                                                                                                                                                                        
|                                                                           |  |                                   
|Copper Canyon Academy, LLC (f/k/a AZ Acquisition, LLC)                     |  | Delaware                           |  |                                                                                                                                                                                        
|                                                                           |  |                                   
|Coral Health Services, Inc.                                                |  | Wisconsin                          |  |                                                                                                                                                                                        
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|CRC ED Treatment, Inc.                                                     |  | Delaware                           |  | Center for Hope of the Sierras Montecatini Montecatini II Carolina House Austin Sendero                                                                                                
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|CRC Health Management, Inc.                                                |  | Delaware                           |  |                                                                                                                                                                                        
|                                                                           |  |                                   
|CRC Health Oregon, Inc.                                                    |  | Oregon                             |  | Allied Health Services Alder Allied Health Services
Belmont Allied Health Services Burnside Allied Health Services
Ontario Allied Health Services Tigard Allied Health Services
Medford
|                                                                           |  |                                   
|CRC Health Tennessee, Inc.                                                 |  | Tennessee                          |  | New Life Lodge                                                                                                                                                                         
|                                                                           |  |                                   
|CRC Recovery, Inc.                                                         |  | Delaware                           |  |                                                                                                                                                                                        
|                                                                           |  |                                   
|CRC Weight Management, Inc.                                                |  | Delaware                           |  |                                                                                                                                                                                        
|                                                                           |  |                                   
|East Indiana Treatment Center, Inc.                                        |  | Indiana                            |  | East Indiana Treatment Center                                                                                                                                                          
|                                                                           |  |                                   
|Evansville Treatment Center, Inc.                                          |  | Indiana                            |  | Evansville Treatment Center                                                                                                                                                            
|                                                                           |  |                                   
|Four Circles Recovery Center, LLC (f/k/a Appalachian Trails Recovery, LLC) |  | Delaware                           |  |                                                                                                                                                                                        
|                                                                           |  |                                   
|Galax Treatment Center, Inc.                                               |  | Virginia                           |  | Life Center of Galax New River Treatment
Center Clinch Valley Treatment Center LCG-Roanoke                                                                                             
|                                                                           |  |                                   
|Greenbrier Treatment Center, Inc.                                          |  | West Virginia                      |  |                                                                                                                                                                                        



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|------------------------------------------------------------------------------------------------------------------------ |  | ---------------------------------- |  | ---------------------------------------------------------------------------------------------------------
|LEGAL NAME                                                                                                               |  | STATE OF INCORPORATIONOR FORMATION |  | DBA INFORMATION                                                                                          
|Healthy Living Academies, LLC                                                                                            |  | Delaware                           |  | Wellspring Camps Wellspring Retreat                                                                      
|                                                                                                                         |  |                                   
|Huntington Treatment Center, Inc.                                                                                        |  | West Virginia                      |  | Huntington Treatment Center                                                                              
|                                                                                                                         |  |                                   
|Indianapolis Treatment Center, Inc.                                                                                      |  | Indiana                            |  | Indianapolis Treatment Center                                                                            
|                                                                                                                         |  |                                   
|Island View Residential Treatment Center, LLC EIN 20-1724721                                                             |  | Delaware                           |  |                                                                                                          
|                                                                                                                         |  |                                   
|Jayco Administration, Inc.                                                                                               |  | Nevada                             |  |                                                                                                          
|                                                                                                                         |  |                                   
|Jeff-Grand Management Co., Inc.                                                                                          |  | California                         |  | Jeff Grand Treatment Center                                                                              
|                                                                                                                         |  |                                   
|Kansas City Treatment Center, Inc.                                                                                       |  | Kansas                             |  | Kansas City Treatment Center                                                                             
|                                                                                                                         |  |                                   
|Lone Star Expeditions, Inc. (f/k/a Aspen CC Acquisition, Inc.)                                                           |  | Delaware                           |  |                                                                                                          
|                                                                                                                         |  |                                   
|Milwaukee Health Service Systems (Partnership)                                                                           |  | California                         |  | 10thStreet Clinic 27thStreet Clinic Madison Health Services Valley Health Services Wausau Health Services
|                                                                                                                         |  |                                   
|Mineral County Treatment Center, Inc.                                                                                    |  | West Virginia                      |  |                                                                                                          
|                                                                                                                         |  |                                   
|Mount Bachelor Educational Center, Inc. (f/k/a Mount Bachelor Educational Facility, Inc. and Mt. Bachelor Academy, Inc.) |  | Oregon                             |  | Mount Bachelor Academy                                                                                   
|                                                                                                                         |  |                                   
|MWB Associates Massachusetts, Inc.                                                                                      |  | Massachusetts                      |  |                                                                                                          
|                                                                                                                         |  |                                   
|National Specialty Clinics, Inc.                                                                                         |  | Delaware                           |  |                                                                                                          
|                                                                                                                         |  |                                   
|New Leaf Academy of North Carolina, LLC (f/k/a Biltmore Academy, LLC, Aspen NC Real Estate, LLC and NC Real Estate, LLC) |  | Delaware                           |  | New Leaf at Biltmore Academy                                                                             
|                                                                                                                         |  |                                   
|New Leaf Academy, Inc. (f/k/a New Leaf Acquisition, Inc.)                                                                |  | Oregon                             |  |                                                                                                          
|                                                                                                                         |  |                                   
|NorthStar Center, Inc. (f/k/a NorthStar Center, LLC)                                                                     |  | Delaware                           |  |                                                                                                          
|                                                                                                                         |  |                                   
|NSC Acquisition Corp.                                                                                                    |  | Delaware                           |  |                                                                                                          
|                                                                                                                         |  |                                   
|Oakley School, LLC (f/k/a Oakley Acquisition, LLC)                                                                       |  | Delaware                           |  |                                                                                                          
|                                                                                                                         |  |                                   
|Outback Therapeutic Expeditions, LLC (f/k/a Walkabout Therapeutic Expeditions, LLC)                                      |  | Delaware                           |  |                                                                                                          
|                                                                                                                         |  |                                   
|Parkersburg Treatment Center, Inc.                                                                                       |  | West Virginia                      |  | Parkersburg Treatment Center                                                                             
|                                                                                                                         |  |                                   
|Passages To Recovery, LLC                                                                                                |  | Delaware                           |  |                                                                                                          
|                                                                                                                         |  |                                   
|Phoenix Outdoor, LLC                                                                                                     |  | Delaware                           |  | Phoenix Acquisition, LLC                                                                                 
|                                                                                                                         |  |                                   
|Richmond Treatment Center, Inc.                                                                                          |  | Indiana                            |  | Richmond Treatment Center                                                                                
|                                                                                                                         |  |                                   
|San Diego Health Alliance, Inc.                                                                                          |  | California                         |  | Capalina Clinic El Cajon Treatment Center Fashion Valley Clinic                                          



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|                                                        |  |                                    |  |                                                                     
|------------------------------------------------------- |  | ---------------------------------- |  | --------------------------------------------------------------------
|LEGAL NAME                                              |  | STATE OF INCORPORATIONOR FORMATION |  | DBA INFORMATION                                                     
|San Diego Treatment Services (Partnership)              |  | California                         |  | Home Avenue Clinic Third Avenue
Clinic                              
|                                                        |  |                                   
|Sheltered Living Incorporated                           |  | Texas                              |  | Life Healing Center of Santa Fe                                     
|                                                        |  |                                   
|Sierra Tucson Inc.                                      |  | Delaware                           |  | Sierra Tucson                                                       
|                                                        |  |                                   
|Sober Living by the Sea, Inc.                           |  | California                         |  | Sunrise Recovery Ranch The Rose of Newport
Beach The Victorian House
|                                                        |  |                                   
|Southern Indiana Treatment Center, Inc.                 |  | Indiana                            |  | Southern Indiana Treatment Center Jeffersonville
Treatment Center   
|                                                        |  |                                   
|Southern West Virginia Treatment Center, Inc.           |  | West Virginia                      |  |                                                                     
|                                                        |  |                                   
|Southwest Illinois Treatment Center, Inc.               |  | Illinois                           |  |                                                                     
|                                                        |  |                                   
|Stonehedge Convalescent Center, Inc.                    |  | Massachusetts                      |  |                                                                     
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|Structure House, LLC                                    |  | Delaware                           |  |                                                                     
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|SunHawk Academy of Utah, Inc.                           |  | Delaware                           |  |                                                                     
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|SUWS of the Carolinas, Inc.                             |  | Delaware                           |  | SUWS Seasons                                                        
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|Swift River Academy, L.L.C.                             |  | Delaware                           |  |                                                                     
|                                                        |  |                                   
|Talisman School, Inc. (f/k/a Talisman, Inc. in NC only) |  | Delaware                           |  | Stone Mountain School Talisman,
Inc.                                
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|Talisman Summer Camp, LLC                               |  | Delaware                           |  |                                                                     
|                                                        |  |                                   
|Texas Excel Academy, Inc.                               |  | Delaware                           |  |                                                                     
|                                                        |  |                                   
|The Camp Recovery Centers, (LP)                         |  | California                         |  | Starlite Treatment Center                                           
|                                                        |  |                                   
|Transcultural Health Development, Inc.                  |  | California                         |  | Coastal Recovery Center                                             
|                                                        |  |                                   
|Treatment Associates, Inc.                              |  | California                         |  | Sacramento Treatment Center                                         
|                                                        |  |                                   
|Turn-About Ranch, Inc.                                  |  | Delaware                           |  |                                                                     
|                                                        |  |                                   
|Virginia Treatment Center, Inc.                         |  | Virginia                           |  | Roanoke Treatment Center                                            
|                                                        |  |                                   
|Volunteer Treatment Center, Inc.                        |  | Tennessee                          |  | Volunteer Treatment Center                                          
|                                                        |  |                                   
|WCHS of Colorado (G), Inc.                              |  | Nevada                             |  | Colorado Springs Treatment Center                                   



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|---------------------------------------------------------------- |  | ---------------------------------- |  | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|LEGAL NAME                                                       |  | STATE OF INCORPORATIONOR FORMATION |  | DBA INFORMATION                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|WCHS, Inc.                                                       |  | California                         |  | Colton Clinical Services Desert Treatment
Clinic East Desert Treatment Clinic Lynnwood Clinic
Northwest Treatment Center Penn. Ave. Treatment Center Recovery Treatment Center Riverside Treatment Center The Renton Clinic Tacoma Treatment Solutions Temecula Valley Treatment Center Vancouver Treatment
Solutions                                                                                                                                                                     
|                                                                 |  |                                   
|Wellspring Adventure Camp, LLC (f/k/a Aspen Adventure Camp, LLC) |  | Delaware                           |  | Western Wellspring Adventure Camp, LLC in CA Wellspring
Adventure Camp California Wellspring Adventure Camp North Carolina                                                                                                                                                                                                                                                                                                                                                                
|                                                                 |  |                                   
|Wellspring Camp UK LTD Co.                                       |  | United Kingdom                     |  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|                                                                 |  |                                   
|Wellspring Community Programs, LLC                               |  | Delaware                           |  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|                                                                 |  |                                   
|Wheeling Treatment Center, Inc.                                  |  | West Virginia                      |  | Wheeling Treatment Center                                                                                                                                                                                                                                                                                                                                                                                                                                                                 
|                                                                 |  |                                   
|White Deer Realty, Ltd.                                          |  | Pennsylvania                       |  |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|                                                                 |  |                                   
|White Deer Run, Inc.                                             |  | Pennsylvania                       |  | Cove Prep Lancaster New Perspectives at White Deer Run Blue Mountain New Directions of Cove Forge Cove Forge Renewal Center White Deer Run of Allentown White Deer Run of Altoona White Deer Run of Harrisburg White Deer Run of Lewisburg White Deer Run of New Castle White Deer Run of Pottsville White Deer Run of Williamsport WDR of York Cove Forge Behavioral Health System at Pittsburg Cove Forge Behavioral Health
System at Williamsburg White Deer Run Cove Forge Manor House
|                                                                 |  |                                   
|Wichita Treatment Center, Inc.                                   |  | Kansas                             |  | Wichita Treatment Center                                                                                                                                                                                                                                                                                                                                                                                                                                                                  
|                                                                 |  |                                   
|Wilderness Therapy Programs, Inc.                                |  | Oregon                             |  | SageWalk, the Wilderness School                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|                                                                 |  |                                   
|Williamson Treatment Center, inc.                                |  | West Virginia                      |  | Williamson Treatment Center                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                                                                 |  |                                   
|Wilmington Treatment                                             |  | Virginia                           |  | Wilmington Treatment Center                                                                                                                                                                                                                                                                                                                                                                                                                                                               
|                                                                 |  |                                   
|Youth Care of Utah, Inc.                                         |  | Delaware                           |  | Pine Ridge Academy                                                                                                                                                                                                                                                                                                                                                                                                                                                                        



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