| 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 West High School Winter Guard | CG: Scholastic AA |
| Echo Independent | CG: Independent A |
| Eldon High School | CG: Scholastic Regional A |
| Fort Zumwalt South HS Winter Guard | 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 |
| Lange Middle School JV | CG: Scholastic Cadet |
| Lindbergh District Middle School | CG: Scholastic Cadet |
| Lindbergh High School | CG: Scholastic Regional A |
| Mascoutah High School | CG: Scholastic A |
| Mattoon High School | CG: Scholastic Regional A |
| Northwest High School Winter Guard | CG: Scholastic Regional A |
| Oakland Middle School Varsity | CG: Independent Regional A |
| Oakville Junior Varsity High School Winterguard | CG: Scholastic Regional A |
| Parkway South High School Winter Guard | CG: Scholastic Regional A |
| Rock Bridge High School | CG: Scholastic Regional A |
| Southern Boone County Winter Guard | CG: Scholastic Regional A |
| Spintronix Indoor Guard | CG: Independent A |
| St. Charles West Winter Guard | CG: Scholastic Regional A |
| St. Clair High School Winter Guard | CG: Scholastic Regional A |
| Wentzville Holt HS Junior Varsity | CG: Scholastic AA |
| Wentzville Holt HS Varsity | CG: Scholastic A |
| Windsor High School Winter Guard | CG: Scholastic Regional A |
