| Mercy High School | 8.6 |
Regular elementary or secondary | 9-12 | 694 | 13.2 | Roman Catholic |
| Sacred Heart Academy | 9.1 |
Regular elementary or secondary | 9-12 | 492 | 12.2 | Roman Catholic |
| Cedarhurst School | 10.2 |
Special education | 7-12 | 47 | 5.0 | Nonsectarian |
| Xavier High School | 11.0 |
Regular elementary or secondary | 9-12 | 897 | 13.2 | Roman Catholic |
| Rushford Academy | 11.8 |
Special education | 9-11 | 11 | 2.6 | Nonsectarian |
| Yeshiva Gedolah Rabbinical Institute Of New Engld | 12.1 |
Special program emphasis | 9-11 | 57 | 8.9 | Jewish |
| Rabbinical Institute Of New England | 12.1 |
Alternative/other | 9-12 | 80 | 10.7 | Jewish |
| Hopkins School | 12.8 |
Special program emphasis | 7-12 | 679 | 5.4 | Nonsectarian |
| Sacred Heart High School | 13.6 |
Regular elementary or secondary | 9-12 | 455 | 17.6 | Roman Catholic |
| Notre Dame High School | 14.1 |
Regular elementary or secondary | 9-12 | 671 | 14.8 | Roman Catholic |
| Holy Cross High School | 14.4 |
Regular elementary or secondary | 9-12 | 800 | 14.2 | Roman Catholic |
| Beth Chana Academy High School For Girls | 15.1 |
Regular elementary or secondary | 9-12 | 15 | 3.5 | Jewish |
| Grove School | 15.5 |
Special program emphasis | 7-12 | 100 | 3.0 | Nonsectarian |
| Westover School | 17.1 |
Regular elementary or secondary | 9-12 | 194 | 6.4 | Nonsectarian |
| St Paul Catholic High School | 18.0 |
Regular elementary or secondary | 8-12 | 278 | 10.6 | Roman Catholic |
| Miss Porter's School | 18.4 |
Regular elementary or secondary | 9-12 | 328 | 8.4 | Nonsectarian |
| The Foundation School | 18.8 |
Special education | 9-12 | 46 | 3.5 | Nonsectarian |
| The Taft School | 19.2 |
Regular elementary or secondary | 9-12 | 576 | 7.7 | Nonsectarian |
| Franklin Academy | 19.6 |
Special education | 9-12 | 77 | 3.8 | Nonsectarian |
| Mt Saint John | 20.1 |
Special education | 7-12 | 28 | 3.5 | Roman Catholic |
| Academy Of Our Lady Of Mercy, Lauralton Hall | 20.8 |
Regular elementary or secondary | 9-12 | 432 | 11.7 | Roman Catholic |
| Avon Old Farms School | 22.4 |
Regular elementary or secondary | 9-12 | 400 | 5.9 | Nonsectarian |
| Gray Lodge School | 22.6 |
Special education | 8-12 | 22 | 4.4 | Nonsectarian |
| St Joseph High School | 23.0 |
Regular elementary or secondary | 9-12 | 836 | 18.0 | Roman Catholic |
| Northwest Catholic High School | 23.9 |
Regular elementary or secondary | 9-12 | 643 | 12.7 | Roman Catholic |
| Hebrew High School Of New England | 24.2 |
Regular elementary or secondary | 9-12 | 68 | 5.7 | Jewish |
| The Phoenix School | 24.7 |
Special education | 7-12 | 20 | 3.0 | Nonsectarian |
