| The Midland School | 0.0 |
Special education | Ungraded-Ungraded | 244 | 6.4 | Nonsectarian |
| Somerset Hills Learning Institute | 4.3 |
Special education | Ungraded-Ungraded | 21 | 2.3 | Nonsectarian |
| Jerry Davis Early Childhood Center | 6.9 |
Special education | Pre-KG-Pre-KG | 8 | 8.0 | Nonsectarian |
| The Pingry School | 7.1 |
Regular elementary or secondary | KG-12 | 1053 | 6.8 | Nonsectarian |
| Matheny School | 8.3 |
Special education | Pre-KG-12 | 59 | 5.1 | Nonsectarian |
| Bonnie Brae School | 8.4 |
Special education | 3-12 | 75 | 4.1 | Nonsectarian |
| Center For Educ Advancement-spring Run School | 9.5 |
Special education | Ungraded-Ungraded | 32 | 8.9 | Nonsectarian |
| Montgomery Academy | 9.7 |
Special education | 3-12 | 92 | 6.1 | Nonsectarian |
| Gill St Bernard S School | 9.7 |
Regular elementary or secondary | Pre-KG-12 | 652 | 8.4 | Nonsectarian |
| Somerset Hills School | 10.3 |
Special education | Ungraded-Ungraded | 110 | 4.2 | Nonsectarian |
| Somerset Bible Baptist Christian Academy | 10.7 |
Regular elementary or secondary | KG-12 | 45 | 9.0 | Christian (no specific denomination) |
| Lord Stirling School | 11.1 |
Special education | Ungraded-Ungraded | 44 | 4.9 | Nonsectarian |
| Rutgers Preparatory School | 11.6 |
Regular elementary or secondary | Pre-KG-12 | 687 | 6.7 | Nonsectarian |
| Rock Brook School Inc | 12.5 |
Special education | Ungraded-Ungraded | 50 | 4.3 | Nonsectarian |
| New Life Christian School | 13.5 |
Regular elementary or secondary | Pre-KG-9 | 43 | 14.3 | Christian (no specific denomination) |
| An Noor Academy | 14.8 |
Regular elementary or secondary | Pre-KG-12 | 289 | 9.6 | Islamic |
| An-noor Academy | 14.8 |
Regular elementary or secondary | KG-12 | 289 | 8.3 | Islamic |
| Mcauley School | 15.3 |
Special education | Ungraded-Ungraded | 44 | 5.5 | Nonsectarian |
| Timothy Christian School | 15.4 |
Regular elementary or secondary | KG-12 | 605 | 12.8 | Baptist |
| Center School | 15.5 |
Regular elementary or secondary | 1-12 | 135 | 5.9 | Nonsectarian |
| Noor-ul-iman School | 15.8 |
Regular elementary or secondary | Pre-KG-12 | 399 | 9.8 | Islamic |
| Princeton Day School | 16.1 |
Regular elementary or secondary | Pre-KG-12 | 888 | 7.9 | Nonsectarian |
| Netivot Motessori Mesorah | 16.6 |
Montessori | Ungraded-Ungraded | 65 | 21.7 | Jewish |
| Wardlaw-hartridge School | 16.6 |
Regular elementary or secondary | Pre-KG-12 | 402 | 7.2 | Nonsectarian |
| Children's Specialized Hospital/school Program | 16.9 |
Special education | Ungraded-Ungraded | 32 | 6.4 | Nonsectarian |
| The Hun School Of Princeton | 17.8 |
Regular elementary or secondary | 6-12 | 579 | 8.2 | Nonsectarian |
| Cheder Lubavitch | 18.0 |
Regular elementary or secondary | Pre-KG-9 | 146 | 6.0 | Jewish |
| Eden Institute | 18.2 |
Special education | Pre-KG-Pre-KG | 46 | 4.6 | Nonsectarian |
| American Christian School | 18.2 |
Regular elementary or secondary | Pre-KG-9 | 120 | 10.2 | Christian (no specific denomination) |
| Princeton Child Development Institute | 18.3 |
Special education | Ungraded-Ungraded | 29 | 3.6 | Nonsectarian |
| Lakeview School | 19.0 |
Special education | Pre-KG-Pre-KG | 157 | 6.5 | Nonsectarian |
| Oak Knoll School Of The Holy Child | 19.1 |
Regular elementary or secondary | KG-12 | 553 | 8.2 | Roman Catholic |
| Eclc Of New Jersey | 19.1 |
Special education | Ungraded-Ungraded | 235 | 7.5 | Nonsectarian |
| The Pennington School | 19.2 |
Regular elementary or secondary | 6-12 | 473 | 6.2 | Methodist |
| Darul Arqam School | 19.3 |
Special program emphasis | Pre-KG-11 | 231 | 8.1 | Islamic |
| Hunterdon Christian Academy | 19.4 |
Regular elementary or secondary | Pre-KG-12 | 70 | 8.0 | Christian (no specific denomination) |
| Montessori Country Day School | 19.6 |
Montessori | Ungraded-Ungraded | 100 | 10.0 | Nonsectarian |
| Allegro School Inc | 20.2 |
Special education | Pre-KG-Pre-KG | 84 | 4.5 | Nonsectarian |
| Pg Chambers School | 20.5 |
Special education | Pre-KG-Pre-KG | 86 | 6.1 | Nonsectarian |
| Crestview Educational Trust | 20.7 |
Regular elementary or secondary | 6-12 | 36 | 6.7 | Brethren |
| Newark Academy | 21.6 |
Regular elementary or secondary | 6-12 | 555 | 7.9 | Nonsectarian |
| The Winston School | 21.7 |
Special education | Ungraded-Ungraded | 61 | 3.9 | Nonsectarian |
| Joseph Kushner Hebrew Academy | 21.7 |
Special program emphasis | Pre-KG-12 | 708 | 8.3 | Jewish |
| Jardine Academy-cranford | 21.8 |
Special education | Ungraded-Ungraded | 47 | 7.8 | Nonsectarian |
| Calais School | 21.9 |
Special education | KG-12 | 136 | 4.6 | Nonsectarian |
| The Bridge Academy | 22.2 |
Special education | Ungraded-Ungraded | 63 | 3.8 | Nonsectarian |
| The Titusville Academy | 22.2 |
Special education | 1-12 | 86 | 7.8 | Nonsectarian |
| Parsippany Christian School | 22.3 |
Regular elementary or secondary | Pre-KG-12 | 214 | 12.2 | Baptist |
| Horizon School | 23.1 |
Special education | Ungraded-Ungraded | 78 | 7.1 | Nonsectarian |
| Rabbi Barry H Greene Ecc At Temple Brai Jeshurun | 23.1 |
Early childhood program/child care center | Pre-KG-Pre-KG | 6 | 1.5 | Jewish |
| Stepping Stone School | 23.2 |
Special education | 1-9 | 37 | 5.3 | Nonsectarian |
| Deron School 1 | 23.3 |
Special education | Ungraded-Ungraded | 132 | 6.2 | Nonsectarian |
| The Studio For Experiential Learning | 23.8 |
Alternative/other | 3-12 | 12 | 2.8 | Nonsectarian |
| The Jardine Academy | 24.2 |
Special education | Ungraded-Ungraded | 47 | 7.8 | Nonsectarian |
| The Craig School | 24.4 |
Special education | 2-12 | 169 | 4.4 | Nonsectarian |
| Villa Victoria Academy | 24.9 |
Regular elementary or secondary | KG-12 | 213 | 7.9 | Roman Catholic |
| Gateway School | 24.9 |
Special education | 1-12 | 105 | 7.0 | Nonsectarian |
| Trinity Christian Academy | 25.0 |
Regular elementary or secondary | Pre-KG-12 | 124 | 9.7 | Assembly of God |
