Schools
| Name | Years | Students |
|---|---|---|
| Morristown | 38 | 91 |
| Morris Township Jr. | 1 | 1 |
| Morris Knolls | 53 | 229 |
| Morris Hills | 50 | 154 |
| Morris Co. School of Technology | 1 | 1 |
| Morris Catholic | 2 | 2 |
| Morrestown Friends | 2 | 2 |
| Morrestown | 3 | 6 |
| Moorestown | 46 | 187 |
| Montville | 16 | 26 |
| Montgomery | 15 | 50 |
| Montclair | 28 | 79 |
| Monroe Township | 33 | 122 |
| Monmouth Regional | 10 | 16 |
| Millville Senior | 2 | 10 |
| Millville | 22 | 54 |
| Milltown | 1 | 1 |
| Millington | 1 | 1 |
| Millburn | 58 | 223 |
| Midland Park | 28 | 43 |