| Alton High School Winter Guard | CG Scholastic AA |
| Bayless High School Winter Guard | CG Scholastic Regional A |
| Belleville East A | CG Scholastic AA |
| Belleville East Open | CG Scholastic Open |
| Belleville West High School JV | CG Scholastic Regional A |
| Belleville West High School Varsity | CG Scholastic A |
| Carmi White County High School | CG Scholastic Regional A |
| Central Methodist University | CG Independent Regional A |
| Collinsville High School Winterguard | CG Scholastic Regional A |
| Eureka High School | CG Scholastic Regional A |
| Fort Zumwalt East | CG Scholastic Regional A |
| Fort Zumwalt South High School | CG Scholastic AA |
| Fort Zumwalt West High School | CG Scholastic Regional A |
| Fox High School Winter Guard | CG Scholastic A |
| Francis Howell Central High School | CG Scholastic Regional A |
| Francis Howell North High School | CG Scholastic A |
| Francis Howell Winter Guard | CG Scholastic Regional A |
| Hillsboro High School Winter Guard | CG Scholastic Regional A |
| La Voûte Performance Ensemble | CG Independent Open |
| Lafayette HS | CG Scholastic A |
| Lindbergh District Middle School Winter Guard | CG Scholastic Cadet |
| Lindbergh High School Winter Guard | CG Scholastic Regional A |
| Lindbergh Junior Varsity Winter Guard | CG Scholastic Regional A |
| Mark Twain High School | CG Scholastic Regional A |
| Marquette High School | CG Scholastic Regional A |
| Mascoutah high school | CG Scholastic AA |
| Mattoon High School | CG Scholastic Regional A |
| North Point High School | CG Scholastic A |
| Northwest High School Winter Guard | CG Scholastic Regional A |
| O’Fallon Township JV | CG Scholastic Regional A |
| O’Fallon Township Varsity | CG Scholastic A |
| Oak Park High School | CG Scholastic Regional A |
| Oakville High School | CG Scholastic AA |
| Parkway Central High School | CG Scholastic Regional A |
| Parkway North High School | CG Scholastic Regional A |
| Pattonville HS | CG Scholastic A |
| Pattonville JV Winterguard | CG Scholastic Regional A |
| Rockwood Summit Winter Guard | CG Scholastic AA |
| Seckman High School | CG Scholastic Regional A |
| St. Charles West High School Winter Guard | CG Scholastic Regional A |
| St. Francis Borgia High School | CG Scholastic Novice |
| Timberland High School | CG Scholastic AA |
| Timberland High School | CG Scholastic AA |
| Union High School | CG Scholastic Regional A |
| Washington HS | CG Scholastic A |
| Wentzville Holt Varsity | CG Scholastic AA |
| Wentzville Liberty | CG Scholastic Regional A |
| Windsor High School Winter Guard | CG Scholastic AA |
| Wright City High School Winter Guard | CG Scholastic Regional A |
