| Maryland Twisters Virginia | L3 | Junior | Small | 0 | |
| Maryland Twisters Virginia | L3 | Youth | Small | 0 | |
| Maryland Twisters Virginia | L2 | Youth | Small | 0 | |
| Marysville High School | - | Varsity | Medium | 0 | |
| Marysville High School | - | Varsity | Medium | 0 | |
| Marysville High School | - | Varsity | Small | 0 | |
| Maryville Patriots | - | Open | Small | 0 | |
| Massachusetts Institute of Tech | - | - | Small | 0 | |
| Massapequa High School | - | Junior | Small | 0 | |
| Massapequa High School | - | Varsity | Small | 0 | |
| Massapequa High School | - | Varsity | Small | 0 | |
| Massapequa High School | - | Varsity | - | 0 | |
| Masters City Cheer | L2 | Youth | Small | 0 | |
| Masters City Cheer | L1.1 | Youth | Small | 0 | |
| Masters City Cheer | L3 | Junior | Small | 0 | |
| Masters City Cheer | L3 | Senior | Small | 0 | |
| Mater Academy Cutler Bay | - | Varsity | Small | 0 | |
| Mater Academy Cutler Bay | - | Varsity | Small | 0 | |
| Mater Dei High School | - | Junior | - | 0 | |
| Mater Dei High School | - | Varsity | Small | 0 | |
| Mater Dei High School | - | - | - | 0 | |
| Mater Dei High School | - | Varsity | Small | 0 | |
| Mater Dei High School | - | Varsity | Small | 0 | |
| Matilda Torres High School | - | - | Small | 0 | |
| Matrix All Stars | - | Senior | Small | 0 | |
| Matrix All Stars | L4 | Senior | Small | 0 | |
| Matrix All Stars | - | Youth | Medium | 0 | |
| Matrix All Stars | L3 | Junior | Medium | 0 | |
| Matrix All Stars | - | Youth | Small | 0 | |
| Matrix All Stars | - | Junior | Small | 0 | |
| Matrix All Stars | L4 | Senior | Small | 0 | |
| Matrix All Stars | - | Youth | Small | 0 | |
| Matrix All Stars | L4 | Senior | Small | 0 | |
| Matrix All Stars | L2 | Youth | Small | 0 | |
| Matrix Cheer Gym | L6 | International Open | Small | 0 | |
| Matrix Cheer Gym | L2 | U18 | Small | 0 | |
| Matrix Cheer Gym | L3 | U16 | Small | 0 | |
| Maverick Cheer | L2 | Youth | Small | 0 | |
| Maverick Cheer | L3 | Junior | Small | 0 | |
| Maverick Cheer | L5 | Senior | Small | 0 | |
| Maverick Cheer | L1 | Junior | Small | 0 | |
| Maverick Cheer | - | Senior | Small | 0 | |
| MAX Athletics | L1.1 | Youth | - | 0 | |
| MAX Athletics | L2 | Junior | - | 0 | |
| Mayfair High School | - | Varsity | - | 0 | |
| Mayfair High School | - | Varsity | Small | 0 | |
| MB Elite | L3 | Junior | - | 0 | |
| MB Elite | L2 | Junior | Small | 0 | |
| MB Elite Cheer | L3 | Junior | Small | 0 | |
| MB Elite Cheer | L3 | Senior | Small | 0 | |
| MB Elite Cheer | L2 | Junior | Small | 0 | |
| MCA Allstars | - | Junior | Small | 0 | |
| McAlester Stars | - | Senior | Small | 0 | |
| MCC Allstars | L3 | Senior | Small | 0 | |
| MCC Allstars | - | Youth | Small | 0 | |
| MCC Allstars | L1 | Youth | Small | 0 | |
| MCC Allstars | - | Senior | Small | 0 | |
| MCC Allstars | L4 | Senior | - | 0 | |
| MCC Allstars | L2 | Junior | Small | 0 | |
| MCC Allstars | L1 | Junior | Small | 0 | |
| MCC Allstars | L4 | Junior | - | 0 | |
| MCC Allstars | - | Junior | Small | 0 | |
| MCC Allstars | L2.1 | Junior | - | 0 | |
| MCC Allstars | L2.2 | Youth | - | 0 | |
| MCC Allstars | L6 | Limited | X-Small | 0 | |
| MCC Allstars | - | Youth | Small | 0 | |
| MCC Allstars | - | Tiny | - | 0 | |
| MCC Allstars | L3 | Junior | - | 0 | |
| MCC Schönefeld e.V. | L1 | Youth | Small | 0 | |
| MCC Schönefeld e.V. | L3 | Open | Small | 0 | |
| MCC Schönefeld e.V. | L1 | Youth | Small | 0 | |
| McCracken County High School | - | Varsity | Medium | 0 | |
| McCreary Central High School | - | Varsity | Small | 0 | |
| McEwen High School | - | Varsity | Small | 0 | |
| McKeel Academy | - | Junior | - | 0 | |
| McKendree University | - | - | Small | 0 | |
| McKendree University | - | - | Large | 0 | |
| McKenzie High School | - | Varsity | Small | 0 | |
| McKinney Christian Academy | - | Varsity | Small | 0 | |
| McKinney High School | - | Varsity | Large | 0 | |
| McLaurin High School | - | Varsity | - | 0 | |
| McLaurin High School | - | Varsity | Small | 0 | |
| McLaurin JH School | - | Junior | Small | 0 | |
| McLaurin JH School | - | Junior | Small | 0 | |
| McLean County High School | - | Varsity | Medium | 0 | |
| McMinn County High School | - | Varsity | Small | 0 | |
| McMinn County High School | - | Varsity | Small | 0 | |
| MCPD | - | Junior | Small | 0 | |
| MCPD | - | Junior | Small | 0 | |
| MCPD | - | Junior | Small | 0 | |
| MCPD | - | Youth | Small | 0 | |
| Mead High School | - | Varsity | Small | 0 | |
| Mead High School | - | Varsity | Small | 0 | |
| Meade County High School | - | Varsity | Small | 0 | |
| Meadowlands Starz | L4 | - | - | 0 | |
| Meadowlands Starz | L2 | - | Small | 0 | |
| Meadowlands Starz | L2 | - | - | 0 | |
| Meadowlark Middle School | - | Junior | Small | 0 | |
| Meadowview Gymnastics Academy | L1 | Youth | Small | 0 | |
| Meadowview Gymnastics Academy | L1.1 | Youth | - | 0 | |
