| Fellowship Christian Academy | 3.0 |
Regular elementary or secondary | Pre-KG-12 | 108 | 10.8 | Christian (no specific denomination) |
| Melmark New England | 4.2 |
Special education | Ungraded-Ungraded | 108 | 1.5 | Nonsectarian |
| Bradford Christian Academy | 5.4 |
Regular elementary or secondary | 6-12 | 65 | 7.4 | Christian (no specific denomination) |
| The Pike School | 5.9 |
Regular elementary or secondary | Pre-KG-9 | 418 | 9.1 | Nonsectarian |
| Riverside School | 8.4 |
Special education | 2-12 | 34 | 4.9 | Nonsectarian |
| Merrimack Schools | 10.4 |
Alternative/other | 5-12 | 55 | 2.5 | Nonsectarian |
| Lighthouse School | 10.6 |
Special education | Pre-KG-12 | 220 | 6.7 | Nonsectarian |
| Clark School | 14.6 |
Special program emphasis | KG-10 | 69 | 7.2 | Nonsectarian |
| Open Bible Academy | 14.9 |
Regular elementary or secondary | Pre-KG-12 | 71 | 6.2 | Christian (no specific denomination) |
| Covenant Christian Academy | 15.0 |
Regular elementary or secondary | Pre-KG-10 | 186 | 6.1 | Christian (no specific denomination) |
| Nashoba Learning Group | 15.7 |
Special education | Pre-KG-11 | 40 | 0.8 | Nonsectarian |
| Harbor Schools & Family Services | 16.9 |
Special education | Ungraded-Ungraded | 31 | 4.4 | Nonsectarian |
| Edgewood Elementary School/gba | 17.1 |
Regular elementary or secondary | Pre-KG-12 | 94 | 8.9 | Seventh-Day Adventist |
| Beacon Christian Academy | 17.6 |
Regular elementary or secondary | Pre-KG-9 | 133 | 15.8 | Christian (no specific denomination) |
| Sparhawk School | 17.6 |
Montessori | KG-12 | 165 | 6.1 | Nonsectarian |
| The Fenn School | 17.7 |
Regular elementary or secondary | 4-9 | 304 | 8.2 | Nonsectarian |
| Shore Country Day School | 18.2 |
Regular elementary or secondary | Pre-KG-9 | 433 | 7.5 | Nonsectarian |
| Melrose Montessori School | 18.2 |
Montessori | Ungraded-Ungraded | 41 | 10.2 | Nonsectarian |
| Lexington Christian Academy | 18.5 |
Regular elementary or secondary | 6-12 | 345 | 9.9 | Christian (no specific denomination) |
| Beverly School For The Deaf | 18.5 |
Special education | Ungraded-Ungraded | 37 | 3.7 | Nonsectarian |
| Germaine Lawrence | 19.6 |
Alternative/other | 6-12 | 50 | 4.5 | Nonsectarian |
| Community Therapeutic Day School Inc | 19.8 |
Special education | Ungraded-Ungraded | 30 | 2.6 | Nonsectarian |
| Cotting School | 19.8 |
Special education | Ungraded-Ungraded | 119 | 4.8 | Nonsectarian |
| Pepperell Christian Academy | 20.0 |
Regular elementary or secondary | Pre-KG-12 | 29 | 5.5 | Baptist |
| The Waring School | 20.1 |
Regular elementary or secondary | 6-12 | 145 | 6.4 | Nonsectarian |
| New England Christian Academy | 20.3 |
Regular elementary or secondary | KG-10 | 15 | 6.2 | Christian (no specific denomination) |
| Seven Hills At Groton | 20.5 |
Special education | 1-12 | 25 | 8.3 | Nonsectarian |
| Dearborn Academy | 20.8 |
Special education | 3-12 | 110 | 1.4 | Nonsectarian |
| Solarterre-e-em Child Growing Center | 20.9 |
Alternative/other | Ungraded-Ungraded | 37 | 6.2 | Nonsectarian |
| The Greenhouse School | 20.9 |
Alternative/other | Ungraded-Ungraded | 37 | 6.2 | Nonsectarian |
| Landmark School | 21.2 |
Special education | Pre-KG-12 | 442 | 2.3 | Nonsectarian |
| International School Of Boston | 21.2 |
Regular elementary or secondary | Pre-KG-12 | 452 | 4.1 | Nonsectarian |
| Protestant Guild For Human Services | 22.0 |
Special education | Ungraded-Ungraded | 60 | 6.1 | Nonsectarian |
| Protestant Guild Learning Center | 22.0 |
Special education | 5-12 | 38 | 2.3 | Nonsectarian |
| Willow Hill School | 23.0 |
Special education | 6-12 | 60 | 3.4 | Nonsectarian |
| Buckingham Browne & Nichols School | 23.1 |
Regular elementary or secondary | Pre-KG-12 | 938 | 7.2 | Nonsectarian |
| The Gifford School | 23.7 |
Special education | 4-12 | 106 | 4.8 | Nonsectarian |
| Mary Mcleod Bethune Institute | 23.8 |
Special program emphasis | 3-12 | 45 | 8.0 | Nonsectarian |
| Fessenden School | 24.0 |
Regular elementary or secondary | KG-9 | 482 | 7.3 | Nonsectarian |
| Seven Hills Academy | 24.6 |
Special education | 4-12 | 60 | 14.6 | Nonsectarian |
| Kennedy Day School Program | 24.7 |
Special education | Ungraded-Ungraded | 74 | 3.7 | Nonsectarian |
| Clearway School | 24.7 |
Special education | 6-12 | 25 | 2.8 | Nonsectarian |
| Learning Prep School | 24.9 |
Special education | Ungraded-Ungraded | 403 | 2.8 | Nonsectarian |
| Newton Country Day School | 24.9 |
Regular elementary or secondary | 5-12 | 394 | 5.6 | Roman Catholic |
