| Miss Porter's School | 4.4 |
Regular elementary or secondary | 9-12 | 328 | 8.4 | Nonsectarian |
| Avon Old Farms School | 6.5 |
Regular elementary or secondary | 9-12 | 400 | 5.9 | Nonsectarian |
| Northwest Catholic High School | 10.6 |
Regular elementary or secondary | 9-12 | 643 | 12.7 | Roman Catholic |
| Hebrew High School Of New England | 10.8 |
Regular elementary or secondary | 9-12 | 68 | 5.7 | Jewish |
| Sacred Heart High School | 12.4 |
Regular elementary or secondary | 9-12 | 455 | 17.6 | Roman Catholic |
| Webb School At Bloomfield | 12.4 |
Special education | 8-12 | 32 | 4.5 | Nonsectarian |
| Gray Lodge School | 12.6 |
Special education | 8-12 | 22 | 4.4 | Nonsectarian |
| Touchstone School | 12.8 |
Special education | 7-12 | 26 | 4.1 | Nonsectarian |
| The Taft School | 13.0 |
Regular elementary or secondary | 9-12 | 576 | 7.7 | Nonsectarian |
| Westminster School | 13.9 |
Regular elementary or secondary | 9-12 | 385 | 8.1 | Nonsectarian |
| Holy Cross High School | 14.4 |
Regular elementary or secondary | 9-12 | 800 | 14.2 | Roman Catholic |
| The Forman School | 14.9 |
Special education | 9-12 | 180 | 3.8 | Nonsectarian |
| Connecticut Junior Republic | 16.0 |
Special education | 7-12 | 77 | 3.7 | Nonsectarian |
| Westover School | 16.4 |
Regular elementary or secondary | 9-12 | 194 | 6.4 | Nonsectarian |
| The Loomis Chaffee School | 16.7 |
Regular elementary or secondary | 9-12 | 698 | 7.4 | Nonsectarian |
| Rushford Academy | 16.8 |
Special education | 9-11 | 11 | 2.6 | Nonsectarian |
| Mercy High School | 17.1 |
Regular elementary or secondary | 9-12 | 694 | 13.2 | Roman Catholic |
| Choate Rosemary Hall | 18.0 |
Regular elementary or secondary | 9-12 | 846 | 8.1 | Nonsectarian |
| East Catholic High School | 19.1 |
Regular elementary or secondary | 9-12 | 761 | 14.2 | Roman Catholic |
| Xavier High School | 19.1 |
Regular elementary or secondary | 9-12 | 897 | 13.2 | Roman Catholic |
| Clinical Day School At Manchester Memorial Hosp | 20.7 |
Special education | 7-12 | 28 | 4.0 | Nonsectarian |
| Summit School/new Hope Manor | 21.7 |
Alternative/other | 7-12 | 26 | 2.8 | Nonsectarian |
| Sacred Heart Academy | 23.5 |
Regular elementary or secondary | 9-12 | 492 | 12.2 | Roman Catholic |
| Suffield Academy | 23.7 |
Regular elementary or secondary | 9-12 | 405 | 7.4 | Nonsectarian |
