| School | State | Tuition | Students | International Students | SAT | Type and Grade |
|---|---|---|---|---|---|---|
| Mary Help Of Christians Academy | $8,420 | 242 | -- | -- | Grades 8-12 | |
| Mesivta Keser Torah | -- | 42 | -- | -- | Grades 9-12 | |
| Mesivta Of Lakewood | -- | 350 | -- | -- | Grades 8-12 | |
| Mesivta Pe'er Hatorah | -- | 43 | -- | -- | Grades 9-12 | |
| Mesivta Tiferes Rav Zvi Aryeh Zemel | -- | 108 | -- | -- | Grades 9-12 | |
| The Milton School | -- | 38 | -- | -- | Grades 7-12 | |
| Donovan Catholic High School | $14,995 | 685 | 28% | 1020 | 9-12 | |
| The Montclair Kimberley Academy | -- | 1037 | -- | -- | Grades Prekindergarten-12 | |
| Moorestown Friends School | $39,000 | 597 | 8% | 1300 | Nursery-12 | |
| Morris Catholic High School | $13,900 | 420 | 6% | -- | Grades 9-12 | |
| Mother Seton Regional High School | $20,500 | 233 | 4% | -- | 9-12 | |
| Mt. St. Mary Academy High School | -- | 350 | -- | -- | Grades 9-12 | |
| New Jersey Center For Judaic Study | -- | 181 | -- | -- | Grades 8-12 | |
| The New Jersey Japanese School | -- | 91 | -- | -- | Grades 1-9 | |
| New Jersey United Christian Academy | $7,860 | 97 | -- | -- | Grades 6-12 | |
| New Road School of Somerset | -- | 177 | -- | -- | Grades 7-12 | |
| Newark Academy | $53,200 | 667 | -- | 1446 | 6-12 | |
| Newark Boys Chorus School | $2,700 | 79 | -- | -- | Grades 4-8 | |
| Newbury Academy | -- | -- | -- | -- | Grades 9-12 | |
| Newgrange School | -- | 85 | -- | -- | Grades 2-12 |