| Mountain Island Charter School | - | Varsity | Small | 0 | | |
| Mountain Pointe High School | - | - | Small | 0 | | |
| Mountain Pointe High School | - | Varsity | Small | 0 | | |
| Mountain Pointe High School | - | Varsity | Small | 0 | | |
| Mountain Range High School | - | Varsity | Small | 0 | | |
| Mountain Ridge High School | - | Varsity | Medium | 0 | | |
| Mountain Ridge High School | - | Varsity | Small | 0 | | |
| Mountain Ridge High School | - | Varsity | Small | 0 | | |
| Mountain Ridge High School | - | Varsity | Small | 0 | | |
| Mountain Valley Middle School | - | - | Small | 0 | | |
| Mountain View High School | - | Junior | - | 0 | | |
| Mountain View High School | - | Junior | - | 0 | | |
| Mountain View High School | - | Junior | - | 0 | | |
| Mountain View High School | - | Varsity | Small | 0 | | |
| Mountain View High School | - | - | - | 0 | | |
| Mountain View High School | - | Varsity | Small | 0 | | |
| Mountain View High School | - | Varsity | Small | 0 | | |
| Mountain View High School | - | Junior | Small | 0 | | |
| Mountain View High School | - | Junior | Large | 0 | | |
| Mountain View High School | - | Varsity | Small | 0 | | |
| Mountain View High School | - | Varsity | Small | 0 | | |
| Mountain View Stars | L2 | Youth | Small | 0 | | |
| Moxi Athletics | L1 | Junior | Small | 0 | | |
| Moxi Athletics | L1 | Senior | - | 0 | | |
| MPact Dance Studio | - | Junior | Small | 0 | | |
| MPact Dance Studio | - | Mini | Small | 0 | | |
| MPact Dance Studio | - | Senior | Large | 0 | | |
| MPact Dance Studio | - | Senior | Large | 0 | | |
| MPact Dance Studio | - | Senior | Small | 0 | | |
| MPact Dance Studio | - | Youth | Small | 0 | | |
| MPact Dance Studio | - | Youth | Small | 0 | | |
| MPact Dance Studio | - | Youth | Small | 0 | | |
| MTG Cheer | L1 | Youth | Small | 0 | | |
| MTM All-Star Cheerleading | L1 | Senior | Small | 0 | | |
| MTV Braunschweig | L4 | U18 | Small | 0 | | |
| Muhlenberg High School | - | Varsity | Medium | 0 | | |
| Mullen High School | - | Varsity | - | 0 | | |
| Mullen High School | - | Varsity | - | 0 | | |
| Murphy High School | - | Junior | Small | 0 | | |
| Murphy High School | - | Junior | Small | 0 | | |
| Murrieta Valley High School | - | Varsity | Small | 0 | | |
| Murrieta Valley High School | - | - | - | 0 | | |
| Murrieta Valley High School | - | Varsity | Small | 0 | | |
| Muscle Shoals High School | - | Varsity | Small | 0 | | |
| Muscle Shoals Middle School | - | Junior | Small | 0 | | |
| Mustang All Stars | L2 | Junior | Small | 0 | | |
| Mustang All Stars | L2 | Junior | - | 0 | | |
| Mustang All Stars | L2 | Junior | - | 0 | | |
| Mustang Cheer All Stars | L1.1 | Mini | - | 0 | | |
| Mustang Cheer All Stars | L2 | - | Small | 0 | | |
| Mustang Cheer All Stars | L3 | Youth | Small | 0 | | |
| Mustang Cheer All Stars | L2.2 | Youth | Small | 0 | | |
| Mustang Cheer All Stars | L5 | Senior | - | 0 | | |
| Mustang Cheer All Stars | L3 | U16 | Small | 0 | | |
| Mustang Cheer All Stars | L2 | Youth | Small | 0 | | |
| MWX Columbus | L4.2 | Senior | Small | 0 | | |
| MWX Columbus | L4.2 | Senior | Small | 0 | | |
| My G.I.R.L.S. Cheer Squad | L1 | Youth | Small | 0 | | |
| My GIRLS | L2 | Junior | Small | 0 | | |
| My GIRLS | L2 | Youth | Small | 0 | | |
| My GIRLS | L2 | Junior | Small | 0 | | |
| My GIRLS | L1 | Junior | - | 0 | | |
| My GIRLS B'More | L2 | Junior | Small | 0 | | |
| My GIRLS B'More | L3 | Junior | Small | 0 | | |
| My GIRLS B'More | L3 | Junior | Small | 0 | | |
| My GIRLS PG | L2 | Junior | Small | 0 | | |
| My GIRLS PG | L3 | Junior | Small | 0 | | |
| Myers Park High School | - | Junior | Small | 0 | | |
| Myrtle Beach Allstars | L3 | Junior | Small | 0 | | |
| Myrtle Beach Allstars | L3 | Youth | Small | 0 | | |
| Myrtle Beach Allstars | L1 | Youth | Small | 0 | | |
| Myrtle Beach Allstars | L2 | Junior | Small | 0 | | |
| Myrtle Beach Allstars | L2 | Youth | Small | 0 | | |
| Myrtle Beach Allstars | L2 | Senior | Small | 0 | | |
| Myrtle Beach Allstars | L2 | Junior | Small | 0 | | |
| Myrtle Beach Allstars | L1 | Junior | Small | 0 | | |
| Myrtle Beach Allstars | L5 | Senior | Small | 0 | | |
| Myrtle Beach Allstars | L4 | Senior | Small | 0 | | |
| Myrtle Beach Allstars | L4 | Junior | Small | 0 | | |
| Myrtle Beach Allstars | L3 | Senior | Small | 0 | | |
| Myrtle Beach High School | - | Varsity | Small | 0 | | |
| Mystic All Stars | L6 | International Open | Small | 0 | | |
| Mystic All Stars | L5 | International Open | Small | 0 | | |
| Mystic Elite | L3 | Senior | Small | 0 | | |
| Mystic Elite | - | Junior | Small | 0 | | |
| Mystic Elite | - | Senior | Small | 0 | | |
| Mystiq Jewels Allstars | L2 | Youth | Small | 0 | | |
| Mystiq Jewels Allstars | - | Junior | Small | 0 | | |
| Mystiq Jewels Allstars | - | Senior | Small | 0 | | |
| Mystiq Jewels Allstars | - | Senior | Small | 0 | | |
| Mystiq Jewels Allstars | L3 | Senior | Small | 0 | | |
| Mystiq Jewels Allstars | - | Youth | Small | 0 | | |
| Mystiq Jewels Allstars-Senior O | - | Senior | Small | 0 | | |
| Mystiq Legacy | L1 | Youth | Small | 0 | | |
| Mystiq Legacy | L2 | Junior | Small | 0 | | |
| Mystiq Legacy | L1 | Junior | Small | 0 | | |
| Mystique Cheer and Dance | L3 | Open | Small | 0 | | |
| Mystique Cheer and Dance | L2 | U18 | Small | 0 | | |
| Mystique Cheer and Dance | L1 | - | Small | 0 | | |
| Nanning 26th Middle School | L5 | International Open | Small | 0 | | |