| St Thomas's Day School | 0.0 |
Regular elementary or secondary | Pre-KG-6 | 136 | 7.7 | Episcopal |
| Calvin Hill Daycare Center & Klf Kindergarten | 0.5 |
Early childhood program/child care center | Pre-KG-KG | 15 | 1.1 | Nonsectarian |
| Leila Day Nurseries | 0.5 |
Early childhood program/child care center | Pre-KG-KG | 10 | 3.5 | Nonsectarian |
| St Stephen School | 1.1 |
Regular elementary or secondary | Pre-KG-8 | 165 | 15.0 | Roman Catholic |
| St Francis School | 1.7 |
Regular elementary or secondary | KG-8 | 189 | 18.2 | Roman Catholic |
| St Rita Elementary School | 1.7 |
Regular elementary or secondary | Pre-KG-8 | 409 | 17.6 | Roman Catholic |
| St Brendan School | 2.0 |
Regular elementary or secondary | KG-8 | 161 | 14.0 | Roman Catholic |
| St Rose Of Lima School | 2.1 |
Regular elementary or secondary | Pre-KG-8 | 123 | 13.7 | Roman Catholic |
| Cold Spring School | 2.1 |
Regular elementary or secondary | KG-6 | 115 | 5.3 | Nonsectarian |
| Yale Child Study Center School | 2.3 |
Special education | KG-7 | 18 | 6.9 | Nonsectarian |
| Sacred Heart Manor | 2.4 |
Early childhood program/child care center | Pre-KG-KG | 10 | 10.0 | Roman Catholic |
| St Martinde Porres Academy | 2.6 |
Special program emphasis | Pre-KG-8 | 75 | 7.1 | Roman Catholic |
| St Aedan School | 2.7 |
Regular elementary or secondary | Pre-KG-8 | 160 | 14.6 | Roman Catholic |
| Children's House Of Montessori Inc | 3.5 |
Montessori | Pre-KG-KG | 9 | 3.0 | Nonsectarian |
| St Vincent De Paul School | 4.3 |
Regular elementary or secondary | Pre-KG-8 | 185 | 16.7 | Roman Catholic |
| St Lawrence School | 4.4 |
Regular elementary or secondary | Pre-KG-8 | 156 | 13.4 | Roman Catholic |
| St Bernadette Catholic School | 4.6 |
Regular elementary or secondary | Pre-KG-8 | 138 | 10.2 | Roman Catholic |
| Laurel Oaks Adventist School | 4.8 |
Regular elementary or secondary | 1-8 | 27 | 13.5 | Seventh-Day Adventist |
| Ezra Academy | 4.8 |
Regular elementary or secondary | KG-8 | 181 | 6.1 | Jewish |
| St Mary School | 6.1 |
Regular elementary or secondary | Pre-KG-8 | 171 | 9.7 | Roman Catholic |
| Our Lady Of Victory School | 6.2 |
Regular elementary or secondary | Pre-KG-8 | 167 | 15.3 | Roman Catholic |
| The Foundation School | 8.0 |
Special education | Pre-KG-8 | 176 | 2.5 | Nonsectarian |
| The Pine Brook School | 8.3 |
Regular elementary or secondary | Pre-KG-8 | 52 | 4.1 | Nonsectarian |
| Shoreline School Of Montessori | 8.4 |
Montessori | Pre-KG-KG | 22 | 22.0 | Nonsectarian |
| New England School Of Montessori | 8.5 |
Montessori | Pre-KG-3 | 14 | 4.7 | Nonsectarian |
| Assumption School | 8.7 |
Regular elementary or secondary | Pre-KG-8 | 224 | 18.8 | Roman Catholic |
| St Mary & St Michael School | 9.2 |
Regular elementary or secondary | Pre-KG-8 | 167 | 16.1 | Roman Catholic |
| A Child's Garden Inc | 9.5 |
Early childhood program/child care center | Pre-KG-KG | 12 | 6.0 | Nonsectarian |
| Wallingford Family Ymca All Day Kindergarten | 9.5 |
Early childhood program/child care center | KG-KG | 8 | 3.1 | Christian (no specific denomination) |
| St Joseph School | 9.6 |
Regular elementary or secondary | Pre-KG-8 | 179 | 14.8 | Roman Catholic |
| Boulder Knoll Montessori School | 9.7 |
Montessori | Pre-KG-KG | 7 | 3.7 | Nonsectarian |
| Holy Trinity School | 9.7 |
Regular elementary or secondary | KG-8 | 228 | 20.9 | Roman Catholic |
| St Mary School | 10.3 |
Regular elementary or secondary | Pre-KG-8 | 263 | 12.1 | Roman Catholic |
| St Bridget School | 11.8 |
Regular elementary or secondary | Pre-KG-8 | 352 | 15.9 | Roman Catholic |
| St Lawrence Elementary School | 12.3 |
Regular elementary or secondary | Pre-KG-8 | 255 | 18.2 | Roman Catholic |
| Building Blocks Learning Center | 12.4 |
Regular elementary or secondary | Pre-KG-KG | 13 | 5.7 | Nonsectarian |
| Child Dev Center At Bristol-myers Squibb | 12.8 |
Early childhood program/child care center | Pre-KG-KG | 12 | 6.0 | Nonsectarian |
| St Frances Of Assisi School | 13.3 |
Regular elementary or secondary | Pre-KG-8 | 169 | 15.5 | Roman Catholic |
| St Ann School | 13.3 |
Regular elementary or secondary | Pre-KG-8 | 110 | 8.1 | Roman Catholic |
| Creative Beginnings Learning Center | 13.4 |
Early childhood program/child care center | Pre-KG-KG | 18 | 9.0 | Nonsectarian |
| St Mark School | 13.4 |
Regular elementary or secondary | KG-8 | 183 | 18.5 | Roman Catholic |
| Kinder Garden Learning Center | 13.5 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| St Hedwig School | 13.6 |
Regular elementary or secondary | Pre-KG-8 | 113 | 13.3 | Roman Catholic |
| Webb School At Cheshire | 13.8 |
Special education | 1-8 | 30 | 3.3 | Nonsectarian |
| St Catherine Of Siena School | 14.1 |
Regular elementary or secondary | Pre-KG-8 | 214 | 17.8 | Roman Catholic |
| The Country School | 14.4 |
Regular elementary or secondary | Pre-KG-8 | 252 | 8.0 | Nonsectarian |
| The Shoreline Christian School | 14.5 |
Regular elementary or secondary | KG-8 | 55 | 6.1 | Christian (no specific denomination) |
| St James School | 15.0 |
Regular elementary or secondary | Pre-KG-8 | 390 | 13.5 | Roman Catholic |
| Our Lady Of Mercy School | 15.0 |
Regular elementary or secondary | Pre-KG-8 | 199 | 13.6 | Roman Catholic |
| St Stanislaus School | 15.0 |
Regular elementary or secondary | Pre-KG-8 | 206 | 17.2 | Roman Catholic |
| Montessori School Of Madison | 15.1 |
Montessori | Pre-KG-KG | 8 | 2.8 | Nonsectarian |
| St Joseph School | 15.2 |
Regular elementary or secondary | KG-8 | 207 | 16.4 | Roman Catholic |
| Montessori Center For Early Learning | 15.2 |
Montessori | Pre-KG-KG | 17 | 6.1 | Nonsectarian |
| St Jude School | 15.3 |
Regular elementary or secondary | Pre-KG-8 | 156 | 11.9 | Roman Catholic |
| Our Lady Of Mount Carmel School | 15.4 |
Regular elementary or secondary | Pre-KG-8 | 163 | 15.5 | Roman Catholic |
| Ss Peter & Paul School | 15.7 |
Regular elementary or secondary | Pre-KG-8 | 257 | 22.5 | Roman Catholic |
| Our Lady Of Mount Carmel School | 15.8 |
Regular elementary or secondary | Pre-KG-8 | 204 | 15.1 | Roman Catholic |
| St Francis Xavier School | 15.9 |
Regular elementary or secondary | Pre-KG-8 | 176 | 17.6 | Roman Catholic |
| Kindercare Learning Center Inc | 16.0 |
Early childhood program/child care center | Pre-KG-KG | 12 | 10.9 | Nonsectarian |
| St Ambrose School | 16.3 |
Regular elementary or secondary | Pre-KG-8 | 293 | 14.6 | Roman Catholic |
| Childrens Community School | 16.4 |
Regular elementary or secondary | Pre-KG-5 | 92 | 14.2 | Nonsectarian |
| Middlefield Children's Center | 16.6 |
Early childhood program/child care center | Pre-KG-KG | 7 | 2.3 | Nonsectarian |
| St Mary | 16.6 |
Regular elementary or secondary | Pre-KG-8 | 414 | 24.4 | Roman Catholic |
| Magic Kingdom Day Nursery & Kindergarten | 16.8 |
Early childhood program/child care center | Pre-KG-KG | 16 | 16.0 | Nonsectarian |
| Love Christian Academy | 16.8 |
Special program emphasis | KG-4 | 62 | 10.3 | Christian (no specific denomination) |
| The Independent Day School | 16.9 |
Regular elementary or secondary | Pre-KG-8 | 165 | 7.4 | Christian (no specific denomination) |
| Fairfield County Sda School | 17.0 |
Regular elementary or secondary | KG-8 | 42 | 9.1 | Seventh-Day Adventist |
| Yeshiva K'tana Of Waterbury | 17.2 |
Regular elementary or secondary | Pre-KG-7 | 117 | 7.3 | Jewish |
| Blessed Sacrament School | 17.4 |
Regular elementary or secondary | Pre-KG-8 | 300 | 28.6 | Roman Catholic |
| St Theresa School | 17.4 |
Regular elementary or secondary | Pre-KG-8 | 136 | 6.7 | Roman Catholic |
| St Andrew School | 18.0 |
Regular elementary or secondary | Pre-KG-8 | 220 | 16.5 | Roman Catholic |
| St Raphael Elementary School | 18.0 |
Regular elementary or secondary | Pre-KG-8 | 204 | 18.1 | Roman Catholic |
| St Augustine Cathedral School | 18.1 |
Regular elementary or secondary | Pre-KG-8 | 205 | 16.4 | Roman Catholic |
| St Thomas School | 18.3 |
Regular elementary or secondary | Pre-KG-7 | 123 | 11.9 | Roman Catholic |
| Bridgeport Hope School | 18.3 |
Regular elementary or secondary | KG-8 | 52 | 6.9 | Christian (no specific denomination) |
| Tutor Time Child Care Learning Center | 18.4 |
Early childhood program/child care center | Pre-KG-KG | 6 | 6.0 | Nonsectarian |
| Our Lady Of The Assumption School | 19.0 |
Regular elementary or secondary | Pre-KG-8 | 179 | 11.5 | Roman Catholic |
| St Peter School | 19.1 |
Regular elementary or secondary | KG-8 | 201 | 19.1 | Roman Catholic |
| The Unquowa School | 19.1 |
Regular elementary or secondary | Pre-KG-8 | 147 | 5.5 | Nonsectarian |
| Hillel Academy | 19.3 |
Regular elementary or secondary | Pre-KG-8 | 24 | 2.8 | Jewish |
| The Fraser-woods School | 19.6 |
Montessori | Pre-KG-8 | 140 | 6.0 | Nonsectarian |
| St Mary Magdalen School | 19.9 |
Regular elementary or secondary | Pre-KG-8 | 246 | 23.2 | Roman Catholic |
| Holy Family School | 20.0 |
Regular elementary or secondary | Pre-KG-8 | 156 | 13.4 | Roman Catholic |
| St Sebastian School | 20.0 |
Regular elementary or secondary | Pre-KG-8 | 85 | 6.5 | Roman Catholic |
| Creative Arts Studio | 20.1 |
Early childhood program/child care center | Pre-KG-KG | 24 | 8.0 | Nonsectarian |
| Wesley Learning Center | 20.2 |
Early childhood program/child care center | KG-KG | 125 | 54.4 | Nonsectarian |
| St Ann School | 20.3 |
Regular elementary or secondary | Pre-KG-8 | 172 | 11.2 | Roman Catholic |
| St Mary School | 20.5 |
Regular elementary or secondary | Pre-KG-8 | 201 | 20.3 | Roman Catholic |
| Roadside Academy | 20.7 |
Regular elementary or secondary | KG-8 | 45 | 7.5 | Nonsectarian |
| St Rose Of Lima School | 20.9 |
Regular elementary or secondary | Pre-KG-8 | 317 | 12.5 | Roman Catholic |
| Fellowship Christian Academy | 20.9 |
Regular elementary or secondary | Pre-KG-8 | 77 | 14.5 | Baptist |
| St Dominic School | 21.0 |
Regular elementary or secondary | Pre-KG-5 | 160 | 18.0 | Roman Catholic |
| St John School | 21.0 |
Regular elementary or secondary | Pre-KG-8 | 163 | 10.9 | Roman Catholic |
| St John The Evangelist | 21.2 |
Regular elementary or secondary | Pre-KG-8 | 181 | 15.1 | Roman Catholic |
| Hunt Ridge Montessori School | 21.2 |
Montessori | Pre-KG-KG | 22 | 2.6 | Nonsectarian |
| Great Beginnings Montessori School | 21.9 |
Montessori | Pre-KG-KG | 18 | 6.0 | Nonsectarian |
| Northwest Childrens Center | 22.0 |
Early childhood program/child care center | Pre-KG-KG | 8 | 8.0 | Nonsectarian |
| St Paul School | 22.1 |
Regular elementary or secondary | Pre-KG-8 | 212 | 15.8 | Roman Catholic |
| Mooreland Hill School | 22.3 |
Regular elementary or secondary | 5-8 | 34 | 3.7 | Nonsectarian |
| St Thomas Aquinas Elem School | 22.5 |
Regular elementary or secondary | Pre-KG-8 | 382 | 15.5 | Roman Catholic |
| Great Beginnings | 22.9 |
Early childhood program/child care center | Pre-KG-Trans. KG | 24 | 8.6 | Nonsectarian |
| Housatonic Valley Waldorf School | 23.1 |
Special program emphasis | Pre-KG-7 | 120 | 8.3 | Nonsectarian |
| St Anthony School | 23.4 |
Regular elementary or secondary | Pre-KG-8 | 126 | 15.9 | Roman Catholic |
| Immanuel Lutheran School | 23.6 |
Regular elementary or secondary | Pre-KG-8 | 144 | 11.7 | Lutheran Church - Missouri Synod |
| St Matthew | 23.7 |
Regular elementary or secondary | Pre-KG-8 | 235 | 20.8 | Roman Catholic |
| St Matthews Lutheran School | 23.8 |
Regular elementary or secondary | Pre-KG-5 | 40 | 5.6 | Lutheran Church - Missouri Synod |
| St Joseph School | 23.9 |
Regular elementary or secondary | Pre-KG-8 | 236 | 16.4 | Roman Catholic |
| Sacred Heart School | 24.3 |
Regular elementary or secondary | Pre-KG-8 | 439 | 12.2 | Roman Catholic |
| Kindercare Learning Center | 24.9 |
Early childhood program/child care center | Pre-KG-Trans. KG | 4 | 4.0 | Nonsectarian |
| St Mary Elementary School | 24.9 |
Regular elementary or secondary | Pre-KG-8 | 201 | 15.5 | Roman Catholic |
