| Mepham High School | - | Varsity | Large | 0 | |
| Mercer County High School | - | Varsity | Small | 0 | |
| Merrimack College | - | - | - | 0 | |
| Merrol Hyde Magnet School | - | Varsity | Small | 0 | |
| Merrol Hyde Magnet School | - | Junior | Small | 0 | |
| Mesa High School | - | - | Small | 0 | |
| Mesa High School | - | Varsity | Small | 0 | |
| Mesa Ridge High School | - | Varsity | Small | 0 | |
| Mesquite High School | - | Varsity | Large | 0 | |
| Mesquite High School | - | - | Small | 0 | |
| Mesquite High School | - | Varsity | Small | 0 | |
| Metcalfe County High School | - | Varsity | Large | 0 | |
| Miamisburg Cheerleading Association | - | - | - | 0 | |
| Miamisburg High School | - | Varsity | - | 0 | |
| Mica Mountain High School | - | Varsity | Medium | 0 | |
| Michigan State University | - | - | - | 0 | |
| Middle College High School | - | Varsity | - | 0 | |
| Middle Creek High School | - | Varsity | Small | 0 | |
| Middle Tenn Christian High School | - | Varsity | Large | 0 | |
| Middle Tenn Christian High School | - | Junior | - | 0 | |
| Middle Tenn Christian High School | - | Varsity | Large | 0 | |
| Middle Tenn Christian High School | - | Varsity | Large | 0 | |
| Middle TN Christian School | - | Open | - | 0 | |
| Middle TN Christian School | - | Junior | Small | 0 | |
| Middle TN Christian School | - | Junior | - | 0 | |
