| A-C Central High School | Ashland | Illinois Valley | 2022 |
| Addison Trail High School | Addison | Northeast | 2022 |
| Andrew High School | Tinley Park | Northeast | 2022 |
| Antioch High School | Antioch | Northeast | 2022 |
| Arthur-Lovington-Atwood-Hammond High School | Arthur | Kickapoo | 2022 |
| Beecher High School | Beecher | Northeast | 2022 |
| Belleville East High School | Belleville | Kaskaskia | 2022 |
| Belvidere High School | Belvidere | North Central | 2022 |
| Belvidere North High School | Belvidere | North Central | 2022 |
| Bradley-Bourbonnais High School | Bradley | Prairie 8 | 2022 |
| Brother Rice High School | Chicago | Chicago | 2022 |
| Central A & M High School | Moweaqua | Eastern | 2022 |
| Cerro Gordo High School | Cerro Gordo | Cenois | 2022 |
| Chadwick-Milledgeville High School | Milledgeville | Northwest | 2022 |
| Charleston High School | Charleston | Eastern | 2022 |
| Cisne High School | Cisne | Eastern | 2022 |
| Clay City High School | Clay City | Eastern | 2022 |
| Coal City High School | Coal City | Prairie 8 | 2022 |
| Crete-Monee High School | Crete | Prairie 8 | 2022 |
| Dunlap High School | Dunlap | Hopewell | 2022 |
| DuQuoin High School | DuQuoin | Little Egypt | 2022 |
| Eastland Jr./Sr. High School | Lanark | Northwest | 2022 |
| Edwardsville High School | Edwardsville | Kaskaskia | 2022 |
| Effingham High School | Effingham | Eastern | 2022 |
| Evanston Township High School | Evanston | Northeast | 2022 |
| Fisher High School | Fisher | Kickapoo | 2022 |
| Fremd High School | Palatine | Northeast | 2022 |
| Galatia High School | Galatia | Little Egypt | 2022 |
| Gallatin County High School | Junction | Little Egypt | 2022 |
| Gibault Catholic High School | Waterloo | Kaskaskia | 2022 |
| Glenbard East High School | Lombard | Northeast | 2022 |
| Goreville High School | Goreville | Little Egypt | 2022 |
| Grayslake North High School | Grayslake | Northeast | 2022 |
| Greenville High School | Greenville | Kaskaskia | 2022 |
| H.D. Jacobs High School | Algonquin | North Central | 2022 |
| Hardin County High School | Elizabethtown | Little Egypt | 2022 |
| Heyworth High School | Heyworth | Cenois | 2022 |
| Hillsboro High School | Hillsboro | Eastern | 2022 |
| Hoffman Estates High School | Hoffman Estates | Northeast | 2022 |
| Holy Trinity High School | Chicago | Chicago | 2022 |
| Horizon Science Academy - McKinley | Chicago | Chicago | 2022 |
| Hutsonville High School | Hutsonville | Eastern | 2022 |
| Illini Central High School | Mason City | Hopewell | 2022 |
| Indian Creek High School | Shabbona | North Central | 2022 |
| Islamic Foundation School | Villa Park | Northeast | 2022 |
| Jones College Prep | Chicago | Chicago | 2022 |
| Kankakee High School | Kankakee | Prairie 8 | 2022 |
| Lawrenceville High School | Lawrenceville | Eastern | 2022 |
| Lena-Winslow High School | Lena | Northwest | 2022 |
| Leo High School | Chicago | Chicago | 2022 |
| Liberty High School | Liberty | Illinois Valley | 2022 |
| Libertyville High School | Libertyville | Northeast | 2022 |
| Lowpoint-Washburn High School | Washburn | Hopewell | 2022 |
| Loyola Academy | Wilmette | Northeast | 2022 |
| Madison High School | Madison | Kaskaskia | 2022 |
| Marengo High School | Marengo | North Central | 2022 |
| Marmion Academy | Aurora | North Central | 2022 |
| Martinsville High School | Martinsville | Eastern | 2022 |
| Meridian High School | Mounds | Hopewell | 2022 |
| Minooka Community High School | Minooka | Prairie 8 | 2022 |
| Momence High School | Momence | Prairie 8 | 2022 |
| Morrison High School | Morrison | Northwest | 2022 |
| Morrisonville High School | Morrisonville | Cenois | 2022 |
| Morton High School | Morton | Hopewell | 2022 |
| New Berlin High School | New Berlin | Cenois | 2022 |
| North Lawndale College Prep High School | Chicago | Chicago | 2022 |
| Northside College Prep High School | Chicago | Chicago | 2022 |
| O'Fallon High School | O'Fallon | Kaskaskia | 2022 |
| Oakwood High School | Fithian | Kickapoo | 2022 |
| Odin High School | Odin | Kaskaskia | 2022 |
| Olympia High School | Stanford | Cenois | 2022 |
| Oregon Jr./Sr. High School | Oregon | Northwest | 2022 |
| Ottawa Township High School | Ottawa | Prairie 8 | 2022 |
| Paxton-Buckley-Loda High School | Paxton | Kickapoo | 2022 |
| Pinckneyville High School | Pinckneyville | Little Egypt | 2022 |
| Pittsfield High School | Pittsfield | Illinois Valley | 2022 |
| Plano High School | Plano | Prairie 8 | 2022 |
| Prairie Ridge High School | Crystal Lake | North Central | 2022 |
| Princeton High School | Princeton | Blackhawk | 2022 |
| Quest Charter Academy | Peoria | Hopewell | 2022 |
| Rantoul High School | Rantoul | Kickapoo | 2022 |
| Red Bud High School | Red Bud | Kaskaskia | 2022 |
| Red Hill High School | Bridgeport | Eastern | 2022 |
| Rosary High School | Aurora | North Central | 2022 |
| Sandburg High School | Orland Park | Northeast | 2022 |
| Schaumburg High School | Schaumburg | Northeast | 2022 |
| Shiloh High School | Hume | Kickapoo | 2022 |
| South Fork High School | Kincaid | Eastern | 2022 |
| St. Ignatius College Prep | Chicago | Chicago | 2022 |
| St. Joseph-Ogden High School | St. Joseph | Kickapoo | 2022 |
| St. Rita of Cascia High School | Chicago | Chicago | 2022 |
| St. Viator High School | Arlington Heights | Northeast | 2022 |
| Sterling High School | Sterling | Northwest | 2022 |
| Stevenson High School | Lincolnshire | Northeast | 2022 |
| Timothy Christian High School | Elmhurst | Northeast | 2022 |
| Tinley Park High School | Tinley Park | Northeast | 2022 |
| Tremont High School | Tremont | Hopewell | 2022 |
| Tri-Point High School | Cullom | Prairie 8 | 2022 |
| Tuscola High School | Tuscola | Kickapoo | 2022 |
| United High School | Monmouth | Blackhawk | 2022 |
| United Township High School | East Moline | Blackhawk | 2022 |
| Warrensburg-Latham High School | Warrensburg | Cenois | 2022 |
| Wauconda High School | Wauconda | Northeast | 2022 |
| Wheaton North High School | Wheaton | Northeast | 2022 |
| Willowbrook High School | Villa Park | Northeast | 2022 |
| Windsor High School | Windsor | Eastern | 2022 |
| Woodland High School | Streator | Prairie 8 | 2022 |
| Woodstock North High School | Woodstock | North Central | 2022 |
| York High School | Elmhurst | Northeast | 2022 |