| School | State | Tuition | Students | International Students | SAT | Type and Grade |
|---|---|---|---|---|---|---|
| Meadowridge Pelham Academy | -- | 28 | -- | -- | Grades 8-12 | |
| Meeting House Montessori School | -- | 131 | -- | -- | Grades Prekindergarten-5 | |
| Mendon Mennonite School | -- | 17 | -- | -- | 1-10 | |
| Mercy Centre | -- | 18 | -- | -- | Grades 4-11 | |
| Mesivta High School Of Greater Boston | -- | 55 | -- | -- | 9-12 | |
| Metro South Academy | -- | 15 | -- | -- | 8 - 12 | |
| Miller's River Academy | -- | 30 | -- | -- | Grades 9 - 12 | |
| Mother Caroline Academy & Education Center | -- | 55 | -- | -- | Grades 4-8 | |
| Mount Saint Joseph Academy | $19,300 | 531 | -- | -- | 9-12 | |
| Nativity Preparatory School | -- | 58 | -- | -- | Grades 4-8 | |
| Nativity Preparatory School Of New Bedford | -- | 56 | -- | -- | Grades 5-8 | |
| Nativity School Of Worcester | -- | 66 | -- | -- | Grades 5-8 | |
| Neari School | -- | 42 | -- | -- | Grades 4-12 | |
| New Directions School At Nccf | -- | 30 | -- | -- | Grades 4-12 | |
| New River Academy | -- | 20 | -- | -- | 9 - 12 | |
| New Testament Christian School | -- | 83 | -- | -- | Grades Prekindergarten - 12 | |
| The Newman School | $75,000 | 255 | 18% | 1300 | 9-12 | |
| Newton Country Day School | $47,650 | 400 | -- | -- | 5-12 | |
| Noble & Greenough School | $71,300 | 631 | -- | 1440 | 7-12 | |
| North Cambridge Catholic High School | -- | 266 | -- | -- | Grades 9 - 12 |