| Edwardsville High School | PORTA High School |
| Staunton High School | Calhoun High School |
| Prairie Central High School | Patoka Sr High School |
| Southwestern High School | Galva Jr/Sr High School |
| Parkview Christian Academy | Canton High School |
| Mount Pulaski High School | Highland High Schoool |
| Collinsville High School | Geneseo High School |
| St. Anthony High School | Beecher City Jr/Sr High School |
| Bunker Hill High School | Leland High School |
| Brimfield High School | Jersey Community High School |
| Odin High School | Cerro Gordo High School |
| Prophetstown High School | Morrison Community High School |
| Carrollton High School | Foreston Jr/Sr High School |
| Milledgeville High School | Stewardson-Strasburg High School |
| Scales Mound High School | Gardner South Wilmington High School |
| Altamont High School | Nokomis High School |
| Newton Community High School | Elmwood Jr/Sr High School |
| Christ Our Savior Lutheran High School | Illinois Valley Central High School |
| Eastland High School | Cumberland High School |
| Greenfield High School | Effingham High School |
| Dieterich High School | Marshall High School |
| Momence High School | Faith Christian School |
| Teutopolis High School | Athens High School |
| Polo Community High School | Unity High School |
| Reed-Custer High School | Galena High School |
| Wethersfield High School | Full Armor Christian Academy |
| Murphysboro High School | Marengo Community High School |
| Sangamon Valley High School | |
