Hoosier Heartland Conference Membership Membership

| School | Location_ | Mascot | _County | Enrollment_08_09 | IHSAA_Class | Year_Joined | Previous_Conference |
|---|---|---|---|---|---|---|---|
| Carroll | Flora | Cougars | 08 Carroll | 350 | AA | 1992 | Midwest |
| Clinton Central | Michigantown | Bulldogs | 12 Clinton | 327 | AA | 1989 | Rangeline |
| Clinton Prairie | Frankfort | Gophers | 12 Clinton | 296 | A | 1989 | Rangeline |
| Rossville | Rossville | Hornets | 12 Clinton | 328 | A | 1989 | Midwest |
| Sheridan | Sheridan | Blackhawks | 29 Hamilton | 382 | AA | 2012 | Hoosier |
| Tri-Central | Sharpsville | Trojans | 80 Tipton | 320 | A | 1989 | Rangeline |