| Our Lady Of Mercy School | 0.0 |
Regular elementary or secondary | Pre-KG-8 | 199 | 13.6 | Roman Catholic |
| Montessori School Of Madison | 1.6 |
Montessori | Pre-KG-KG | 8 | 2.8 | Nonsectarian |
| The Country School | 3.6 |
Regular elementary or secondary | Pre-KG-8 | 252 | 8.0 | Nonsectarian |
| The Shoreline Christian School | 5.5 |
Regular elementary or secondary | KG-8 | 55 | 6.1 | Christian (no specific denomination) |
| Shoreline School Of Montessori | 6.6 |
Montessori | Pre-KG-KG | 22 | 22.0 | Nonsectarian |
| The Pine Brook School | 7.0 |
Regular elementary or secondary | Pre-KG-8 | 52 | 4.1 | Nonsectarian |
| St Mary School | 9.4 |
Regular elementary or secondary | Pre-KG-8 | 171 | 9.7 | Roman Catholic |
| St Vincent De Paul School | 12.5 |
Regular elementary or secondary | Pre-KG-8 | 185 | 16.7 | Roman Catholic |
| St John School | 13.4 |
Regular elementary or secondary | Pre-KG-8 | 218 | 15.7 | Roman Catholic |
| St Bernadette Catholic School | 13.6 |
Regular elementary or secondary | Pre-KG-8 | 138 | 10.2 | Roman Catholic |
| St Francis School | 13.8 |
Regular elementary or secondary | KG-8 | 189 | 18.2 | Roman Catholic |
| St Rose Of Lima School | 13.8 |
Regular elementary or secondary | Pre-KG-8 | 123 | 13.7 | Roman Catholic |
| Cold Spring School | 14.0 |
Regular elementary or secondary | KG-6 | 115 | 5.3 | Nonsectarian |
| The Children's Tree Montessori School | 14.7 |
Montessori | Pre-KG-5 | 50 | 7.0 | Nonsectarian |
| St Stephen School | 14.8 |
Regular elementary or secondary | Pre-KG-8 | 165 | 15.0 | Roman Catholic |
| Leila Day Nurseries | 14.8 |
Early childhood program/child care center | Pre-KG-KG | 10 | 3.5 | Nonsectarian |
| St Thomas's Day School | 15.0 |
Regular elementary or secondary | Pre-KG-6 | 136 | 7.7 | Episcopal |
| Calvin Hill Daycare Center & Klf Kindergarten | 15.3 |
Early childhood program/child care center | Pre-KG-KG | 15 | 1.1 | Nonsectarian |
| St Rita Elementary School | 15.4 |
Regular elementary or secondary | Pre-KG-8 | 409 | 17.6 | Roman Catholic |
| St Martinde Porres Academy | 15.5 |
Special program emphasis | Pre-KG-8 | 75 | 7.1 | Roman Catholic |
| Wallingford Family Ymca All Day Kindergarten | 15.5 |
Early childhood program/child care center | KG-KG | 8 | 3.1 | Christian (no specific denomination) |
| Yale Child Study Center School | 15.7 |
Special education | KG-7 | 18 | 6.9 | Nonsectarian |
| Holy Trinity School | 15.8 |
Regular elementary or secondary | KG-8 | 228 | 20.9 | Roman Catholic |
| Child Dev Center At Bristol-myers Squibb | 15.8 |
Early childhood program/child care center | Pre-KG-KG | 12 | 6.0 | Nonsectarian |
| St Lawrence School | 16.1 |
Regular elementary or secondary | Pre-KG-8 | 156 | 13.4 | Roman Catholic |
| Creative Beginnings Learning Center | 16.5 |
Early childhood program/child care center | Pre-KG-KG | 18 | 9.0 | Nonsectarian |
| St Brendan School | 16.5 |
Regular elementary or secondary | KG-8 | 161 | 14.0 | Roman Catholic |
| Building Blocks Learning Center | 16.6 |
Regular elementary or secondary | Pre-KG-KG | 13 | 5.7 | Nonsectarian |
| The Independent Day School | 16.7 |
Regular elementary or secondary | Pre-KG-8 | 165 | 7.4 | Christian (no specific denomination) |
| Sacred Heart Manor | 16.7 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Roman Catholic |
| Middlefield Children's Center | 17.4 |
Early childhood program/child care center | Pre-KG-KG | 7 | 2.3 | Nonsectarian |
| Laurel Oaks Adventist School | 17.4 |
Regular elementary or secondary | 1-8 | 27 | 13.5 | Seventh-Day Adventist |
| St Aedan School | 17.5 |
Regular elementary or secondary | Pre-KG-8 | 160 | 14.6 | Roman Catholic |
| Our Lady Of Victory School | 17.5 |
Regular elementary or secondary | Pre-KG-8 | 167 | 15.3 | Roman Catholic |
| Fellowship Christian Academy | 17.9 |
Regular elementary or secondary | Pre-KG-8 | 77 | 14.5 | Baptist |
| Children's House Of Montessori Inc | 18.4 |
Montessori | Pre-KG-KG | 9 | 3.0 | Nonsectarian |
| Boulder Knoll Montessori School | 18.8 |
Montessori | Pre-KG-KG | 7 | 3.7 | Nonsectarian |
| Kinder Garden Learning Center | 18.8 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| St Sebastian School | 18.8 |
Regular elementary or secondary | Pre-KG-8 | 85 | 6.5 | Roman Catholic |
| St Mary School | 19.4 |
Regular elementary or secondary | Pre-KG-8 | 201 | 20.3 | Roman Catholic |
| New England School Of Montessori | 19.7 |
Montessori | Pre-KG-3 | 14 | 4.7 | Nonsectarian |
| Ezra Academy | 19.7 |
Regular elementary or secondary | KG-8 | 181 | 6.1 | Jewish |
| St Stanislaus School | 19.9 |
Regular elementary or secondary | Pre-KG-8 | 206 | 17.2 | Roman Catholic |
| Roadside Academy | 19.9 |
Regular elementary or secondary | KG-8 | 45 | 7.5 | Nonsectarian |
| St John School | 20.3 |
Regular elementary or secondary | Pre-KG-8 | 163 | 10.9 | Roman Catholic |
| St Joseph School | 20.4 |
Regular elementary or secondary | KG-8 | 207 | 16.4 | Roman Catholic |
| Our Lady Of Mount Carmel School | 20.6 |
Regular elementary or secondary | Pre-KG-8 | 163 | 15.5 | Roman Catholic |
| St Bridget School | 21.1 |
Regular elementary or secondary | Pre-KG-8 | 352 | 15.9 | Roman Catholic |
| The Foundation School | 21.8 |
Special education | Pre-KG-8 | 176 | 2.5 | Nonsectarian |
| St Mary School | 21.8 |
Regular elementary or secondary | Pre-KG-8 | 263 | 12.1 | Roman Catholic |
| Webb School At Cheshire | 23.1 |
Special education | 1-8 | 30 | 3.3 | Nonsectarian |
| Northwest Childrens Center | 23.3 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Nonsectarian |
| A Child's Garden Inc | 23.6 |
Early childhood program/child care center | Pre-KG-KG | 12 | 6.0 | Nonsectarian |
| Assumption School | 23.7 |
Regular elementary or secondary | Pre-KG-8 | 224 | 18.8 | Roman Catholic |
| St Mary & St Michael School | 23.9 |
Regular elementary or secondary | Pre-KG-8 | 167 | 16.1 | Roman Catholic |
| St Joseph School | 24.2 |
Regular elementary or secondary | Pre-KG-8 | 179 | 14.8 | Roman Catholic |
| St Ann School | 24.6 |
Regular elementary or secondary | Pre-KG-8 | 110 | 8.1 | Roman Catholic |
