| Academy of Saint Elizabeth
| Convent Station | NJ | 9th-12th | none | Girls only | 242 | Roman Catholic |
| Academy of the Holy Angels
| Demarest | NJ | 9th-12th | none | Girls only | 540 | Roman Catholic |
| Benedictine Academy
| Elizabeth | NJ | 9th-12th | none | Girls only | 190 | Roman Catholic |
| Blair Academy
4.8/5
based on 3 student review(s) | Blairstown | NJ | 9th-12th | 9th-PG | Coed | 442 | Presbyterian |
| Christian Brothers Academy
| Lincroft | NJ | 9th-12th | none | Boys only | 937 | Roman Catholic |
| Delbarton School
4.8/5
based on 2 student review(s) | Morristown | NJ | 7th-12th | none | Coed | 550 | Roman Catholic |
| Doane Academy
| Burlington | NJ | PK-12th | none | Coed | 195 | Episcopal |
| Dwight-Englewood School
| Englewood | NJ | PK-12th | none | Coed | 1007 | None |
| Gill St. Bernard's School
| Gladstone | NJ | PK-12th | none | Coed | 676 | None |
| Holy Cross High School
| Delran | NJ | 9th-12th | none | Coed | 770 | Roman Catholic |
| Hudson School
| Hoboken | NJ | 5th-12th | none | Coed | 204 | None |
| Hun School of Princeton
4.2/5
based on 2 student review(s) | Princeton | NJ | 6th-PG | 9th-PG | Coed | 585 | None |
| Kent Place School
| Summit | NJ | PK-12th | none | Girls only | 655 | None |
| Lawrenceville School
4.6/5
based on 21 student review(s) | Lawrenceville | NJ | 9th-PG | 9th-PG | Coed | 800 | None |
| Montclair Kimberley Academy
| Montclair | NJ | PK-12th | none | Coed | 1046 | None |
| Moorestown Friends School
| Mooretown | NJ | PK-12th | none | Coed | 724 | Quakers/Friends |
| Newark Academy
4.6/5
based on 2 student review(s) | Linvingston | NJ | 6th-12th | none | Coed | 555 | None |
| Notre Dame High School
| Lawrenceville | NJ | 9th-12th | none | Coed | 1289 | Roman Catholic |
| Oak Knoll School of the Holy Child
| Summit | NJ | K-12th | none | Girls only | 550 | Roman Catholic |
| Peddie School
4.6/5
based on 9 student review(s) | Highstown | NJ | 9th-PG | 9th-PG | Coed | 515 | None |
| Pingry School
3.8/5
based on 1 student review(s) | Basking Ridge | NJ | K-12th | none | Coed | 1020 | None |
| Princeton Day School
4/5
based on 2 student review(s) | Princeton | NJ | PK-12th | none | Coed | 900 | Non-Denominational Christian |
| Ranney School
| Tinton Falls | NJ | PK-12th | none | Coed | 815 | None |
| Saddle River Day School
| Saddle River | NJ | K-12th | none | Coed | 317 | None |
| St. Dominic Academy
| Jersey City | NJ | 9th-12th | none | Girls only | 485 | Roman Catholic |
| St. Joseph High School
| Metuchen | NJ | 9th-12th | none | Boys only | 823 | Roman Catholic |
| Saint Peter's Preparatory School
| Jersey City | NJ | 9th-12th | none | Boys only | 915 | Roman Catholic (Jesuit) |
| Stuart Country Day
| Princeton | NJ | PK-12th | none | Girls only | 552 | Roman Catholic |
| Villa Walsh Academy
| Morristown | NJ | 7th-12th | none | Coed | 250 | Roman Catholic |
| Wardlaw-Hartridge School
| Edison | NJ | PK-12th | none | Coed | 446 | None |