| Park Hill HS JV | CG: Regional A | Chelsea Mogg | MO |
| Ozark HS Varsity | CG: Scholastic AA | Theresa Walls | MO |
| Ozark HS Percussion | Perc: Scholastic A | John Paul Chapman | Missouri |
| Ozark HS JV | CG: Regional A | Theresa Walls | MO |
| Odessa HS Percussion | Perc: Scholastic A | Jeremy Meyer | MO |
| Odessa HS | CG: Scholastic A | Rebecca Westmoreland | MO |
| Obsidian of Central Missouri | CG: Independent Open | Rachelle Pritchard | Missouri |
| Oakland Middle School | CG: Scholastic Cadet | Taylor Stamos | Missouri |
| Oak Park HS | CG: Regional A | Riley Wartick | Missouri |
| O'Fallon Township HS | CG: Scholastic A | Daniel Bertram | IL |
| O'Fallon Township HS | CG: Regional A | Daniel Bertram | IL |
| NWA Percussion | Perc: Independent A | Jason Edwards | AR |
| Northwest HS | CG: Regional A | Brett Dunsford | Missouri |
| North Kansas City HS | CG: Regional A | Christi Mills | MO |
| Nixa Junior High | CG: Scholastic Cadet | Craig Finger | MO |
| Nixa HS | CG: Scholastic A | Craig Finger | MO |
| Nevada HS Percussion | Perc: Scholastic Novice | Michael Fox | MO |
| National Avenue | CG: Independent A | John Sullivan | MO |
| Murphysboro HS Percussion | Perc: Scholastic B | Michael Moreland | Illinois |
| Mosaic Independent | CG: Independent Regional A | Lisa Carson | Kansas |
| Modulation Z | Perc: Independent A | Ryan Treasure | MO |
| Mid-Buchanan Middle School | CG: Scholastic Cadet | Kim Privat | Mo |
| Mid-Buchanan HS | CG: Regional A | Kim Privat | Mo |
| McCluer North HS | CG: Regional A | Charlie Bourrage | Missouri |
| Maysville HS | CG: Scholastic AA | Dana Walling | Missouri |
| Mattoon HS | CG: Regional A | Angi Black and Allison Christian | Illinois |
| Mater Dei HS Percussion | Perc: Scholastic A | Matt Murphy | Illinois |
| Mascoutah HS | CG: Scholastic AA | Jo smith | Illinois |
| Maryville HS | CG: Regional A | Kylie Mattke | Missouri |
| Marquette HS | CG: Scholastic AA | Melissa Zemann | Missouri |
| Lindbergh HS | CG: Scholastic AA | Sheryl Silverberg | Missouri |
| Lindbergh District Middle School | CG: Scholastic Cadet | Jamie Hutson | Missouri |
| Liberty North HS | CG: Regional A | Amy Hall | MO |
| Liberty HS | CG: Scholastic AA | Laurie Walls | Missouri |
| Lee's Summit West HS | CG: Scholastic AA | Taylor Bluebaugh | MO |
| Lee's Summit North HS | CG: Regional A | Paige Bradbury | MO |
| Lee's Summit HS Percussion | Perc: Scholastic A | Mike McBain | Mo |
| Lee's Summit HS | CG: Regional A | Laura Finch | Missouri |
| Lawson HS | CG: Regional A | Kristy Humbard | Missouri |
| Lathrop HS | CG: Regional A | Erin Holliway | Mo |
| Lafayette HS | CG: Scholastic A | Evan Coonrod | Missouri |
| Lafayette County HS | CG: Regional A | Kelly Reuther | MO |
| Kickapoo HS Percussion | Perc: Scholastic Open | Troy Peterson | MO |
| Kickapoo HS Gold | CG: Regional A | Sherri Peterson | MO |
| Kickapoo HS Emulation | CG: Scholastic A | Sherri Peterson | MO |
| Joplin HS Percussion | Perc: Scholastic B | Mike Wasseanaar | MO |
| Joplin HS | CG: Scholastic AA | Mike Wasseanaar | MO |
| Illinois Valley Central HS Percussion | Perc: Scholastic B | Aaron Mills | illinois |
| ICT Independent | CG: Independent A | Samantha Paulsen | Kansas (KS) |
| Hillsboro HS Percussion | Perc: Scholastic B | Chris Cooper | Missouri |
