| Alton High School | CG: Scholastic Regional A |
| Alton Middle School | CG: Scholastic Cadet |
| Battle High School | CG: Scholastic AA |
| Bayless HS Winter Guard | CG: Scholastic Regional A |
| Belleville East HS Varsity | CG: Scholastic A |
| Belleville East JV | CG: Scholastic AA |
| Belleville West High School Winter Guard | CG: Scholastic AA |
| Carmi-White County High School | CG: Scholastic Regional A |
| Collinsville High School JV | CG: Scholastic Regional A |
| Collinsville High School Varsity | CG: Scholastic A |
| Echo Independent | CG: Independent A |
| Edwardsville Junior Varsity | CG: Scholastic Regional A |
| Edwardsville Varsity | CG: Scholastic A |
| Eureka High School Junior Varsity | CG: Scholastic Regional A |
| Eureka High School Varsity | CG: Scholastic A |
| Farmington High School Winter Guard | CG: Scholastic Regional A |
| Fort Zumwalt East Winter Guard | CG: Scholastic Regional A |
| Fort Zumwalt North Winterguard | CG: Scholastic AA |
| Fort Zumwalt South HS Winter Guard | CG: Scholastic Regional A |
| Fort Zumwalt West Purple | CG: Scholastic Regional A |
| Fort Zumwalt West Silver | CG: Scholastic AA |
| Fox High School | CG: Scholastic AA |
| Francis Howell Central High School | CG: Scholastic Regional A |
| Francis Howell High School | CG: Scholastic AA |
| Francis Howell Middle School | CG: Scholastic Cadet |
| Francis Howell North HS Varsity | CG: Scholastic A |
| Freeburg Community High School Winter Guard | CG: Scholastic AA |
| Hillsboro High School Winter Guard | CG: Scholastic AA |
| Ionic | CG: Independent A |
| La Voûte Performance Ensemble | CG: Independent Open |
| Lafayette JV | CG: Scholastic AA |
| Lafayette Varsity | CG: Scholastic A |
| Lange Middle School JV | CG: Scholastic Cadet |
| Lindbergh District Middle School | CG: Scholastic Cadet |
| Lindbergh High School | CG: Scholastic Regional A |
| Marquette High School Winter Guard | CG: Scholastic AA |
| Mascoutah High School | CG: Scholastic A |
| Mattoon High School | CG: Scholastic Regional A |
| Northwest High School Winter Guard | CG: Scholastic Regional A |
| O'Fallon Township High School Junior Varsity | CG: Scholastic Regional A |
| O'Fallon Township High School Varsity | CG: Scholastic Open |
| O'Fallon Township Junior Panthers | CG: Independent Cadet |
| Oakland Middle School Varsity | CG: Independent Regional A |
| Oakville Junior Varsity High School Winterguard | CG: Scholastic Regional A |
| Oakville Varsity High School Winterguard | CG: Scholastic A |
| Parkway Central High School | CG: Scholastic AA |
| Parkway North Winterguard | CG: Scholastic Regional A |
| Parkway South High School Winter Guard | CG: Scholastic Regional A |
| Parkway West HS Winterguard | CG: Scholastic Regional A |
| Pattonville High School | CG: Scholastic AA |
| Raymore-Peculiar High School | CG: Scholastic Regional A |
| Rockwood Summit | CG: Scholastic A |
| Seckman HS | CG: Scholastic AA |
| St. Charles West Winter Guard | CG: Scholastic Regional A |
| St. Clair High School Winter Guard | CG: Scholastic Regional A |
| Timberland High School | CG: Scholastic AA |
| Washington High School | CG: Scholastic A |
| Wentzville Holt HS Junior Varsity | CG: Scholastic AA |
| Wentzville Holt HS Varsity | CG: Scholastic A |
| Wentzville Liberty | CG: Scholastic AA |
| Windsor High School Winter Guard | CG: Scholastic Regional A |
| Wright City Winter Guard | CG: Scholastic Regional A |
