| McAllen Memorial High School | - | Varsity | Medium | 0 | | |
| McCollum High School | - | Varsity | - | 0 | | |
| McCracken County High School | - | Varsity | Large | 0 | | |
| McCracken County High School | - | Varsity | Medium | 0 | | |
| McCracken County High School | - | Varsity | Medium | 0 | | |
| McCracken County High School | - | Varsity | Medium | 0 | | |
| McCracken County High School | - | Varsity | Medium | 0 | | |
| McCreary Central High School | - | Varsity | Small | 0 | | |
| McDonogh 35 High School | - | Varsity | - | 0 | | |
| McDowell High School | - | Varsity | Large | 0 | | |
| McDowell High School | - | Varsity | Medium | 0 | | |
| McDowell High School | - | Varsity | Medium | 0 | | |
| McDowell High School | - | Varsity | Medium | 0 | | |
| McEwen High School | - | Varsity | Small | 0 | | |
| McGuffey High School | - | Varsity | Medium | 0 | | |
| McGuffey High School | - | Varsity | Medium | 0 | | |
| McKeel Academy | - | Junior | - | 0 | | |
| McKenzie High School | - | Varsity | Small | 0 | | |
| McKenzie High School | - | Varsity | - | 0 | | |
| McKinney Christian Academy | - | Varsity | Small | 0 | | |
| McKinney High School | - | Varsity | Large | 0 | | |
| McKinney High School | - | Varsity | - | 0 | | |
| McKinney High School | - | Varsity | Small | 0 | | |
| McLaurin High School | - | Varsity | Medium | 0 | | |
| McLaurin High School | - | Varsity | - | 0 | | |
| McLaurin High School | - | Varsity | - | 0 | | |
| McLaurin High School | - | Varsity | Small | 0 | | |
| McLean County High School | - | Varsity | Medium | 0 | | |
| McLean County High School | - | Varsity | Large | 0 | | |
| McLean County High School | - | Varsity | Medium | 0 | | |
| McLean County High School | - | Varsity | Medium | 0 | | |
| McLean County High School | - | Varsity | - | 0 | | |
| McLean County High School | - | Varsity | - | 0 | | |
| McMinn County High School | - | Varsity | Small | 0 | | |
| McMinn County High School | - | Varsity | Small | 0 | | |
| McMinnville High School | - | Varsity | Medium | 0 | | |
| McMinnville High School | - | Varsity | - | 0 | | |
| McMinnville High School | - | Varsity | - | 0 | | |
| McMinnville High School | - | Varsity | - | 0 | | |
| McNeil High School | - | Varsity | Medium | 0 | | |
| McNeil High School | - | Varsity | Large | 0 | | |
| Mead High School | - | Varsity | Small | 0 | | |
| Mead High School | - | Varsity | Large | 0 | | |
| Mead High School | - | Varsity | Small | 0 | | |
| Mead High School | - | Varsity | - | 0 | | |
| Mead High School | - | Varsity | - | 0 | | |
| Mead High School | - | Varsity | - | 0 | | |
| Meade County High School | - | Varsity | Small | 0 | | |
| Meade County High School | - | Varsity | Large | 0 | | |
| Meek High School | - | Varsity | Small | 0 | | |
| Meek High School | - | Varsity | Small | 0 | | |
| Meek High School | - | Varsity | - | 0 | | |
| Mehlville High School | - | Varsity | Medium | 0 | | |
| Melissa High School | - | Junior Varsity | Large | 0 | | |
| Melissa High School | - | Varsity | - | 0 | | |
| Mendenhall High School | - | Varsity | - | 0 | | |
| Menendez High School | - | Varsity | - | 0 | | |
| Menendez High School | - | Varsity | - | 0 | | |
| Menomonee Falls High School | - | Varsity | Medium | 0 | | |
| Menomonee Falls High School | - | Varsity | Small | 0 | | |
| Menomonee Falls High School | - | Varsity | Small | 0 | | |
| Mepham High School | - | Varsity | Medium | 0 | | |
| Mepham High School | - | Varsity | Small | 0 | | |
| Mepham High School | - | Varsity | Small | 0 | | |
| Mercer County High School | - | Varsity | - | 0 | | |
| Mercer County High School | - | Varsity | Small | 0 | | |
| Mercer County High School | - | Varsity | Small | 0 | | |
| Mercy Academy | - | Varsity | Medium | 0 | | |
| Mercy Academy | - | Varsity | Small | 0 | | |
| Mercy Academy | - | Varsity | Small | 0 | | |
| Merrol Hyde Magnet School | - | Varsity | Small | 0 | | |
| Mesa High School | - | - | Large | 0 | | |
| Mesa High School | - | Varsity | Medium | 0 | | |
| Mesa High School | - | Varsity | Small | 0 | | |
| Mesa High School | - | Varsity | Small | 0 | | |
| Mesa High School | - | Varsity | - | 0 | | |
| Mesa Ridge High School | - | Varsity | Small | 0 | | |
| Mesquite High School | - | Varsity | Small | 0 | | |
| Mesquite High School | - | - | Small | 0 | | |
| Mesquite High School | - | Varsity | Small | 0 | | |
| Mesquite High School | - | Varsity | - | 0 | | |
| Mesquite High School | - | Varsity | Small | 0 | | |
| Metcalfe County High School | - | Varsity | Large | 0 | | |
| Methacton High School | - | Varsity | - | 0 | | |
| Miamisburg High School | - | Varsity | - | 0 | | |
| Miamisburg High School | - | Varsity | Large | 0 | | |
| Mica Mountain High School | - | Varsity | Medium | 0 | | |
| Middle College High School | - | Varsity | Medium | 0 | | |
| Middle College High School | - | Varsity | - | 0 | | |
| Middle Creek High School | - | Junior | Small | 0 | | |
| Middle Creek High School | - | Varsity | Small | 0 | | |
| Middle Tenn Christian High School | - | Varsity | Large | 0 | | |
| Middle Tenn Christian High School | - | Varsity | Large | 0 | | |
| Middle Tenn Christian High School | - | Varsity | Large | 0 | | |
| Middle TN Christian School | - | Junior | - | 0 | | |
| Middle TN Christian School | - | Varsity | - | 0 | | |
| Middleburg High School | - | Varsity | Small | 0 | | |
| Middlesboro High School | - | Varsity | Medium | 0 | | |
| Middlesboro High School | - | Varsity | Small | 0 | | |
| Middlesex High School | - | Varsity | Medium | 0 | | |