| Farmington Valley Academy Montessori | Avon | PreK-8 | 42 | 3.5 | Nonsectarian |
| Talcott Mountain Academy of Science Mathematics | Avon | K-8 | 62 | 6 | Nonsectarian |
| The Webb School in the Valley | Avon | 3-12 | 30 | 6 | Nonsectarian |
| Immanuel Lutheran School | Bristol | PreK-8 | 87 | 10.9 | Lutheran Church (Missouri Synod) |
| St. Joseph School | Bristol | PreK-8 | 171 | 13.1 | Roman Catholic |
| St. Matthew School | Bristol | PreK-8 | 142 | 10.3 | Roman Catholic |
| St. Paul Catholic High School | Bristol | 9-12 | 388 | 14.2 | Roman Catholic |
| The Burlington Academy of Learning | Burlington | PreK-Transitional K | 78 | 30 | Nonsectarian |
| Focus Center for Autismfresh Start School | Canton | 7-12 | 12 | 4 | Nonsectarian |
| St. Bernard School | Enfield | K-8 | 183 | 13.5 | Roman Catholic |
| Miss Porter's School | Farmington | 9-12 | 336 | 7.3 | Nonsectarian, all-girls |
| Kindercare Learning Center | Glastonbury | K | 17 | 4.9 | Nonsectarian |
| Community First School | Hartford | K-4 | 34 | 13.1 | Nonsectarian |
| Covenant Preparatory School | Hartford | 5-8 | 46 | 7 | Roman Catholic, all-boys |
| Eagle House Education Program | Hartford | 2-7 | 21 | 7 | Nonsectarian |
| High Road School of Hartford High | Hartford | Transitional K-12 | 37 | not reported | Nonsectarian |
| Mount Olive Child Development Center | Hartford | PreK-K | 4 | 4 | Nonsectarian |
| Northeastern Adventist Academy | Hartford | PreK-8 | 39 | 5.1 | Seventh-Day Adventist |
| Oak Hill School | Hartford | K-12 | 153 | 10.9 | Nonsectarian |
| Options Educational Services | Hartford | 9-12 | 19 | 3.5 | Nonsectarian |
| Watkinson School | Hartford | 6-12 | 214 | 12.5 | Nonsectarian |
| St. Paul School | Kensington | PreK-8 | 180 | 13.7 | Roman Catholic |
| Adelbrook Academy Manchester | Manchester | Ungraded | 36 | 6 | Nonsectarian |
| Clinical Day School - Manchester Memorial Hospital | Manchester | 8-12 | 40 | 5.7 | Nonsectarian |
| Community Child Guidance Clinic | Manchester | 1-8 | 27 | 5.4 | Nonsectarian |
| East Catholic High School | Manchester | 9-12 | 427 | 10.3 | Roman Catholic |
| St. Bridget School | Manchester | PreK-8 | 145 | 13.2 | Roman Catholic |
| St. James School | Manchester | PreK-8 | 352 | 16.1 | Roman Catholic |
| The Cornerstone Christian School | Manchester | PreK-12 | 134 | 8.2 | Church of the Nazarene |
| Imago Dei Classical Academy | New Britain | K-12 | 113 | not reported | Roman Catholic |
| Raymond Hill School | New Britain | 1-12 | 87 | 4 | Nonsectarian |
| Solterra Academy | New Britain | 1-12 | 143 | 7.3 | Nonsectarian |
| Emmanuel Christian Academy | Newington | PreK-12 | 372 | 17.1 | Baptist |
| St. Mary's School | Simsbury | PreK-8 | 197 | 12.7 | Roman Catholic |
| The Cobb School, Montessori | Simsbury | PreK-6 | 135 | 4.3 | Nonsectarian |
| The Ethel Walker School | Simsbury | 6-12 | 227 | 7.5 | Nonsectarian, all-girls |
| Westminster School | Simsbury | 9-12 | 414 | 7.3 | Nonsectarian |
| Central Christian Academy | Southington | K-12 | 127 | 12.3 | Baptist |
| St. Luke Catholic School | Southington | PreK-8 | 71 | 6.5 | Roman Catholic |
| Suffield Academy | Suffield | 9-12 | 413 | 6.1 | Nonsectarian |
| Ben Bronz Academy | West Hartford | 3-12 | 51 | 2.3 | Nonsectarian |
| Futures School | West Hartford | 9-12 | 35 | 8.8 | Nonsectarian |
| Gengras Center/Univ of St. Joseph | West Hartford | 2-12 | 143 | 6.3 | Nonsectarian |
| Intensive Education Academy in | West Hartford | 1-12 | 42 | 3.6 | Nonsectarian |
| Kingswood Oxford School | West Hartford | 6-12 | 506 | 7.9 | Nonsectarian |
| Montessori School of Greater Hartford | West Hartford | PreK-9 | 99 | 5.5 | Nonsectarian |
| Montessori School of Greater Hartford ? New Hartfo | West Hartford | 9 | 3 | not reported | Nonsectarian |
| New England Jewish Academy | West Hartford | PreK-12 | 101 | 3.7 | Jewish |
| Newengland Jewsh Academy | West Hartford | PreK-12 | 104 | 4.3 | Jewish |
| Northwest Catholic High School | West Hartford | 9-12 | 401 | 11.1 | Roman Catholic |
| Renbrook School | West Hartford | PreK-8 | 288 | 3.6 | Nonsectarian |
| Solomon Schechter Day School | West Hartford | PreK-8 | 87 | 5.5 | Jewish |
| St. Timothy Middle School | West Hartford | 6-8 | 94 | 13.4 | Roman Catholic |
| The Master's School | West Simsbury | PreK-12 | 162 | 6.4 | Christian (nondenominational) |
| Corpus Christi School | Wethersfield | PreK-8 | 260 | 14.1 | Roman Catholic |
| Praise Power & Prayer Christian School | Windsor | K-12 | 44 | 8.8 | Assembly of God |
| The Loomis Chaffee School | Windsor | 9-12 | 735 | 7.9 | Nonsectarian |
| Windsor Montessori School | Windsor | PreK-K | 7 | 2.7 | Nonsectarian |