| High Road School At Somerset | 2.3 |
Special education | 7-12 | 129 | 6.6 | Nonsectarian |
| Immaculata High School | 4.3 |
Regular elementary or secondary | 9-12 | 814 | 13.4 | Roman Catholic |
| Sage Day School At Somerset | 7.5 |
Special education | 9-12 | 38 | 3.6 | Nonsectarian |
| Bishop George Ahr High School | 8.7 |
Regular elementary or secondary | 9-12 | 913 | 15.7 | Roman Catholic |
| Mt St Mary Academy (high School) | 8.8 |
Regular elementary or secondary | 9-12 | 381 | 9.7 | Roman Catholic |
| St Joseph High School | 8.9 |
Regular elementary or secondary | 9-12 | 833 | 14.6 | Roman Catholic |
| East Mountain School | 10.0 |
Special education | 7-12 | 118 | 5.1 | Nonsectarian |
| Union Catholic Regional High S | 10.5 |
Regular elementary or secondary | 9-12 | 802 | 15.9 | Roman Catholic |
| Moshe Aaron Yeshiva High School | 11.7 |
Regular elementary or secondary | 9-12 | 151 | 5.9 | Jewish |
| Mother Seton Regional High School | 13.2 |
Regular elementary or secondary | 9-12 | 419 | 15.6 | Roman Catholic |
| Purnell School | 14.0 |
Special education | 9-12 | 122 | 4.5 | Nonsectarian |
| Oratory Preparatory School | 14.3 |
Regular elementary or secondary | 7-12 | 279 | 8.1 | Roman Catholic |
| Cardinal Mccarrick High School | 14.6 |
Regular elementary or secondary | 9-12 | 469 | 15.0 | Roman Catholic |
| Cornerstone Day School | 14.7 |
Special education | 7-12 | 42 | 8.4 | Nonsectarian |
| Yeshiva Gedolah Of Perth Amboy | 15.1 |
Special program emphasis | 9-11 | 13 | 3.6 | Jewish |
| Daytop Preparatory School | 15.1 |
Regular elementary or secondary | 9-12 | 30 | 2.8 | Nonsectarian |
| Villa Walsh Academy | 15.2 |
Regular elementary or secondary | 7-12 | 248 | 9.5 | Roman Catholic |
| Roselle Catholic High School | 15.6 |
Regular elementary or secondary | 9-12 | 678 | 15.6 | Roman Catholic |
| Academy Of Saint Elizabeth | 15.6 |
Regular elementary or secondary | 9-12 | 244 | 9.5 | Roman Catholic |
| Delbarton School | 15.9 |
Regular elementary or secondary | 7-12 | 542 | 7.0 | Roman Catholic |
| Shepard High School | 16.9 |
Special education | 8-12 | 122 | 6.7 | Nonsectarian |
| St Mary Of The Assumption High School | 18.3 |
Regular elementary or secondary | 9-12 | 265 | 13.4 | Roman Catholic |
| Benedictine Academy | 19.0 |
Regular elementary or secondary | 9-12 | 191 | 12.2 | Roman Catholic |
| Hunterdon Learning Center | 19.5 |
Special education | 7-12 | 80 | 6.7 | Nonsectarian |
| St Patrick High School | 19.6 |
Regular elementary or secondary | 9-12 | 255 | 13.4 | Roman Catholic |
| Marylawn Of The Oranges Academy | 20.1 |
Regular elementary or secondary | 9-12 | 197 | 10.2 | Roman Catholic |
| The Peddie School | 20.4 |
Regular elementary or secondary | 9-12 | 510 | 6.0 | Nonsectarian |
| St John Vianney Regional High School | 20.6 |
Regular elementary or secondary | 9-12 | 1011 | 16.2 | Roman Catholic |
| The Milton School | 20.7 |
Special education | 8-12 | 36 | 6.0 | Nonsectarian |
| Collier High School | 21.2 |
Special education | 8-12 | 133 | 3.9 | Nonsectarian |
| The Lawrenceville School | 21.3 |
Regular elementary or secondary | 9-12 | 808 | 6.2 | Nonsectarian |
| Seton Hall Preparatory School | 21.3 |
Regular elementary or secondary | 9-12 | 972 | 13.4 | Roman Catholic |
| St James Preparatory School | 22.3 |
Regular elementary or secondary | 8-12 | 44 | 6.4 | African Methodist Episcopal |
| Holy Family Academy | 22.3 |
Regular elementary or secondary | 9-12 | 209 | 8.6 | Roman Catholic |
| St Vincent Academy | 22.4 |
Regular elementary or secondary | 9-12 | 319 | 11.0 | Roman Catholic |
| St Benedict's Preparatory School | 22.4 |
Regular elementary or secondary | 7-12 | 559 | 14.9 | Roman Catholic |
| Alif Muhammad''s Nia School | 23.0 |
Regular elementary or secondary | 8-12 | 172 | 23.6 | Nonsectarian |
| Yeshiva Gedolah Of Bayonne | 23.6 |
Regular elementary or secondary | 9-12 | 90 | 11.1 | Jewish |
| Morris Catholic High School | 23.6 |
Regular elementary or secondary | 9-12 | 502 | 15.4 | Roman Catholic |
| Mount Saint Dominic Academy | 23.7 |
Regular elementary or secondary | 9-12 | 334 | 10.6 | Roman Catholic |
| Essex Valley School | 23.7 |
Special education | 7-12 | 63 | 6.3 | Nonsectarian |
| Notre Dame High School | 23.8 |
Regular elementary or secondary | 9-12 | 1289 | 13.6 | Roman Catholic |
| Disciple Christian Academy | 24.3 |
Regular elementary or secondary | 9-12 | 3 | 3.0 | Church of God |
| Mount Carmel Guild High School | 24.3 |
Special education | 9-12 | 58 | 4.4 | Roman Catholic |
| Immaculate Conception High School | 24.4 |
Regular elementary or secondary | 9-12 | 245 | 13.0 | Roman Catholic |
| Marist High School | 24.5 |
Regular elementary or secondary | 9-12 | 510 | 12.9 | Roman Catholic |
