| Mountain View High School | - | Varsity | Medium | 0 | | |
| Mountain View High School | - | - | - | 0 | | |
| Muhlenberg High School | - | Varsity | Medium | 0 | | |
| Muhlenberg High School | - | Varsity | Medium | 0 | | |
| Mullen High School | - | Varsity | - | 0 | | |
| Mullen High School | - | Varsity | Medium | 0 | | |
| Munster High School | - | Varsity | Medium | 0 | | |
| Munster High School | - | Varsity | Medium | 0 | | |
| Munster High School | - | Varsity | Medium | 0 | | |
| Murphy High School | - | Varsity | Medium | 0 | | |
| Murray High School | - | Varsity | Medium | 0 | | |
| Muscle Shoals High School | - | Varsity | Medium | 0 | | |
| Myrtle Beach High School | - | Varsity | Medium | 0 | | |
| Navarro High School | - | Varsity | Medium | 0 | | |
| Nazareth Academy High School | - | Varsity | Medium | 0 | | |
| Nazareth Academy High School | - | Varsity | Small | 0 | | |
| Nazareth Area High School | - | Varsity | Medium | 0 | | |
| Neshoba Central High School | - | Varsity | Medium | 0 | | |
| New Albany High School | - | Varsity | Large | 0 | | |
| New Caney High School | - | Varsity | Large | 0 | | |
| New Iberia Senior High School | - | Varsity | Small | 0 | | |
| New Oxford High School | - | Varsity | Medium | 0 | | |
| New Oxford High School | - | Varsity | Medium | 0 | | |
| New Palestine High School | - | Varsity | Medium | 0 | | |
| Newberry High School | - | Varsity | Medium | 0 | | |