| St Edward School | 0.0 |
Regular elementary or secondary | Pre-KG-8 | 100 | 10.0 | Roman Catholic |
| Kidderbrook Montessori School | 5.7 |
Montessori | Pre-KG-KG | 4 | 4.0 | Nonsectarian |
| Preschool Of The Arts Inc | 9.0 |
Early childhood program/child care center | Pre-KG-KG | 16 | 5.3 | Nonsectarian |
| St Bernard School | 9.3 |
Regular elementary or secondary | Pre-KG-8 | 57 | 6.0 | Roman Catholic |
| The Grammar School | 9.3 |
Regular elementary or secondary | KG-6 | 92 | 7.1 | Nonsectarian |
| St Joseph School | 10.1 |
Regular elementary or secondary | Pre-KG-8 | 130 | 11.3 | Roman Catholic |
| Mansfield Discovery Depot | 10.7 |
Early childhood program/child care center | Pre-KG-KG | 4 | 1.5 | Nonsectarian |
| St Martha School | 14.0 |
Regular elementary or secondary | KG-8 | 194 | 17.2 | Roman Catholic |
| Hans Chr Andersen Montessori | 14.3 |
Montessori | Pre-KG-KG | 11 | 3.7 | Nonsectarian |
| Enfield Montessori School | 14.7 |
Montessori | Pre-KG-6 | 89 | 15.9 | Roman Catholic |
| Mt Hope Montessori School | 14.8 |
Montessori | Pre-KG-KG | 10 | 1.8 | Nonsectarian |
| St Bernard School | 15.1 |
Regular elementary or secondary | Pre-KG-8 | 258 | 19.4 | Roman Catholic |
| The Children's Place Inc | 15.2 |
Early childhood program/child care center | Pre-KG-KG | 7 | 7.0 | Nonsectarian |
| Community Child Guidance Clinic | 15.8 |
Special education | KG-KG | 35 | 5.0 | Nonsectarian |
| St Bridget School | 15.9 |
Regular elementary or secondary | Pre-KG-8 | 175 | 13.6 | Roman Catholic |
| Oak Grove Montessori Elem/pres | 15.9 |
Montessori | Pre-KG-6 | 50 | 9.1 | Nonsectarian |
| Lighthouse Christian School | 16.1 |
Early childhood program/child care center | Pre-KG-KG | 9 | 11.2 | Baptist |
| Birch Mountain Day School | 16.3 |
Early childhood program/child care center | Pre-KG-KG | 10 | 2.0 | Nonsectarian |
| Holy Seed Christian Academy | 16.8 |
Regular elementary or secondary | KG-8 | 29 | 7.2 | Christian (no specific denomination) |
| St James School | 16.9 |
Regular elementary or secondary | Pre-KG-8 | 401 | 16.0 | Roman Catholic |
| St Mary St Joseph School | 17.5 |
Regular elementary or secondary | Pre-KG-8 | 119 | 9.7 | Roman Catholic |
| Assumption School | 17.8 |
Regular elementary or secondary | Pre-KG-8 | 144 | 12.2 | Roman Catholic |
| Windham Christian Academy | 17.9 |
Regular elementary or secondary | 1-8 | 37 | 9.2 | Assembly of God |
| Windsor Montessori School | 18.2 |
Montessori | Pre-KG-KG | 14 | 4.7 | Nonsectarian |
| New England Preschool Academy | 18.4 |
Early childhood program/child care center | Pre-KG-KG | 5 | 5.0 | Nonsectarian |
| St Gabriel School | 18.8 |
Regular elementary or secondary | KG-8 | 195 | 15.7 | Roman Catholic |
| Madina Academy | 19.6 |
Regular elementary or secondary | KG-8 | 84 | 8.2 | Islamic |
| St Rose School | 19.7 |
Regular elementary or secondary | Pre-KG-8 | 129 | 14.7 | Roman Catholic |
| Trinity Christian School | 19.9 |
Regular elementary or secondary | Pre-KG-8 | 138 | 10.7 | Christian (no specific denomination) |
| St Mary School | 20.5 |
Regular elementary or secondary | Pre-KG-8 | 112 | 11.1 | Roman Catholic |
| St Christopher School | 20.9 |
Regular elementary or secondary | Pre-KG-8 | 236 | 17.6 | Roman Catholic |
| St Joseph School | 21.0 |
Regular elementary or secondary | Pre-KG-8 | 104 | 9.2 | Roman Catholic |
| Bright Horizons Day | 21.1 |
Early childhood program/child care center | Pre-KG-KG | 5 | 5.0 | Nonsectarian |
| Shiloh Christian Academy | 22.3 |
Regular elementary or secondary | KG-5 | 17 | 8.5 | Christian (no specific denomination) |
| Kindercare Learning Center | 22.4 |
Early childhood program/child care center | Pre-KG-KG | 8 | 1.0 | Nonsectarian |
| Our Childrens Place | 22.6 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Nonsectarian |
| The Bess And Paul Sigel Hebrew Academy | 24.0 |
Regular elementary or secondary | Pre-KG-8 | 110 | 6.9 | Jewish |
| St James School | 24.2 |
Regular elementary or secondary | Pre-KG-8 | 146 | 13.3 | Roman Catholic |
| St Augustine School | 24.4 |
Regular elementary or secondary | Pre-KG-8 | 154 | 12.2 | Roman Catholic |
| Corpus Christi School | 24.9 |
Regular elementary or secondary | Pre-KG-8 | 373 | 14.0 | Roman Catholic |
| St Timothy Middle School | 25.0 |
Regular elementary or secondary | 6-8 | 147 | 11.8 | Roman Catholic |
