| Middlesex High School | - | Varsity | Small | 0 | | |
| Middlesex High School | - | Varsity | Small | 0 | | |
| Middlesex High School | - | Varsity | Small | 0 | | |
| Middletown High School | - | Varsity | - | 0 | | |
| Midlothian High School | - | Varsity | - | 0 | | |
| Midview High School | - | Varsity | - | 0 | | |
| Midview High School | - | Varsity | - | 0 | | |
| Milford High School | - | Varsity | Large | 0 | | |
| Milford High School | - | Varsity | Large | 0 | | |
| Milford High School | - | Varsity | - | 0 | | |
| Milford High School | - | Varsity | Large | 0 | | |
| Milford High School | - | Varsity | - | 0 | | |
| Mill Valley High School | - | Varsity | Large | 0 | | |
| Mill Valley High School | - | Varsity | Medium | 0 | | |
| Mill Valley High School | - | Varsity | Small | 0 | | |
| Mill Valley High School | - | Varsity | Small | 0 | | |
| Mill Valley High School | - | Varsity | Small | 0 | | |
| Mill Valley High School | - | Varsity | - | 0 | | |
| Millard North High School | - | Varsity | Small | 0 | | |
| Millard North High School | - | Varsity | Medium | 0 | | |
| Millard North High School | - | Varsity | - | 0 | | |
| Millard North High School | - | Varsity | Small | 0 | | |
| Millard West High School | - | Varsity | - | 0 | | |
| Millard West High School | - | Varsity | - | 0 | | |
| Millard West High School | - | Varsity | - | 0 | | |
| Millard West High School | - | Varsity | - | 0 | | |
| Millbrook High School | - | Varsity | Small | 0 | | |
| Millennium High School | - | Varsity | Medium | 0 | | |
| Millington High School | - | Varsity | Small | 0 | | |
| Milpitas High School | - | Varsity | Large | 0 | | |
| Minden High School | - | Varsity | Small | 0 | | |
| Minden High School | - | Varsity | Medium | 0 | | |
| Minerva High School | - | Varsity | Small | 0 | | |
| Minerva High School | - | Varsity | - | 0 | | |
| Minisink Valley High School | - | Varsity | Small | 0 | | |
| Minisink Valley High School | - | Varsity | Small | 0 | | |
| Minor High School | - | Varsity | Small | 0 | | |
| Minor High School | - | Varsity | Small | 0 | | |
| Mira Costa High School | - | Varsity | Large | 0 | | |
| Mira Costa High School | - | - | - | 0 | | |
| Mira Costa High School | - | Varsity | - | 0 | | |
| Miramar High School | - | Varsity | - | 0 | | |
| Miramonte | - | Varsity | - | 0 | | |
| Mission Oak High School | - | Varsity | - | 0 | | |
| Mission Oak High School | - | - | Medium | 0 | | |
| Mission Oak High School | - | Varsity | - | 0 | | |
| Mission Valley High School | - | Varsity | Small | 0 | | |
| Mitchell High School | - | Varsity | Small | 0 | | |
| Mize Attendance Center | - | Varsity | - | 0 | | |
| Mobile Christian High School | - | Varsity | - | 0 | | |