Black Diamond Conference
Current members
Columns: School | Location (Population) | Nickname(s) | Colors | Years Member | Enrollment (2013/14)
Eastern Division | Eastern Division | Eastern Division | Eastern Division | Eastern Division | Eastern Division | Carmi-White County High School | Carmi, Illinois (5,240) | Bulldogs Lady Bulldogs | Maroon White | 2003–Present | 375 | Eldorado High School | Eldorado, Illinois (4,122) | Eagles | Purple Gold | 1992-2003 (affiliate) 2003–Present | 355 | Fairfield Community High School | Fairfield, Illinois (5,154) | Mules Lady Mules | Red Black | 2003–Present | 402 | Hamilton County Senior High School | McLeansboro, Illinois (2,883) | Foxes Lady Foxes | Kelly Green White | 1990-2003 (affiliate) 2003–Present | 333 | Johnston City High School | Johnston City, Illinois (3,543) | Indians Lady Indians | Red Black | 1975–Present | 328 | Vienna High School | Vienna, Illinois (1,434) | Eagles Lady Eagles | Royal Blue Orange | 2008–Present | 324 | Western Division | Western Division | Western Division | Western Division | Western Division | Western Division | Chester High School | Chester, Illinois (8,400) | Yellow Jackets Lady Yellow Jackets | Orange Black | 2010–Present | 336 | Christopher High School | Christopher, Illinois (2,382) | Bearcats Lady Cats | Blue Orange | 1949-1973 1975–Present | 252 | Elverado High School | Elkville, Illinois (1,001) | Falcons Lady Falcons | Blue Gold | 1962–Present | 152 | Goreville High School | Goreville, Illinois (938) | Blackcats | Gold Black | 2011–Present | 179 | Sesser-Valier High School | Sesser, Illinois (2,128) | Red Devils | Maroon White | 1963–Present | 216 | Trico High School | Campbell Hill, Illinois (333) | Pioneers Lady Pioneers | Blue Gold | 1968-1971 2003–Present | 284 | Zeigler-Royalton High School | Zeigler, Illinois (1,801) | Tornadoes Lady Tornadoes | Navy Blue White | 1962–Present | 160