| East Mountain School | 0.0 |
Special education | 7-12 | 118 | 5.1 | Nonsectarian |
| Sage Day School At Somerset | 8.2 |
Special education | 9-12 | 38 | 3.6 | Nonsectarian |
| High Road School At Somerset | 8.3 |
Special education | 7-12 | 129 | 6.6 | Nonsectarian |
| Immaculata High School | 8.6 |
Regular elementary or secondary | 9-12 | 814 | 13.4 | Roman Catholic |
| Green Brook Academy | 10.0 |
Special education | 7-12 | 57 | 5.9 | Nonsectarian |
| The Lawrenceville School | 12.2 |
Regular elementary or secondary | 9-12 | 808 | 6.2 | Nonsectarian |
| Notre Dame High School | 14.9 |
Regular elementary or secondary | 9-12 | 1289 | 13.6 | Roman Catholic |
| The Peddie School | 16.0 |
Regular elementary or secondary | 9-12 | 510 | 6.0 | Nonsectarian |
| Moshe Aaron Yeshiva High School | 16.1 |
Regular elementary or secondary | 9-12 | 151 | 5.9 | Jewish |
| Purnell School | 17.3 |
Special education | 9-12 | 122 | 4.5 | Nonsectarian |
| St Joseph High School | 17.4 |
Regular elementary or secondary | 9-12 | 833 | 14.6 | Roman Catholic |
| Bishop George Ahr High School | 17.9 |
Regular elementary or secondary | 9-12 | 913 | 15.7 | Roman Catholic |
| Mt St Mary Academy (high School) | 18.8 |
Regular elementary or secondary | 9-12 | 381 | 9.7 | Roman Catholic |
| Hunterdon Learning Center | 18.9 |
Special education | 7-12 | 80 | 6.7 | Nonsectarian |
| Union Catholic Regional High S | 20.3 |
Regular elementary or secondary | 9-12 | 802 | 15.9 | Roman Catholic |
| Cardinal Mccarrick High School | 21.0 |
Regular elementary or secondary | 9-12 | 469 | 15.0 | Roman Catholic |
| Daytop Preparatory School | 21.7 |
Regular elementary or secondary | 9-12 | 30 | 2.8 | Nonsectarian |
| Yeshiva Gedolah Of Perth Amboy | 22.4 |
Special program emphasis | 9-11 | 13 | 3.6 | Jewish |
| Mother Seton Regional High School | 22.8 |
Regular elementary or secondary | 9-12 | 419 | 15.6 | Roman Catholic |
| Villa Walsh Academy | 23.6 |
Regular elementary or secondary | 7-12 | 248 | 9.5 | Roman Catholic |
| Delbarton School | 24.0 |
Regular elementary or secondary | 7-12 | 542 | 7.0 | Roman Catholic |
| Oratory Preparatory School | 24.3 |
Regular elementary or secondary | 7-12 | 279 | 8.1 | Roman Catholic |
| Collier High School | 24.7 |
Special education | 8-12 | 133 | 3.9 | Nonsectarian |
| Cornerstone Day School | 24.7 |
Special education | 7-12 | 42 | 8.4 | Nonsectarian |
| Academy Of Saint Elizabeth | 24.9 |
Regular elementary or secondary | 9-12 | 244 | 9.5 | Roman Catholic |
