| Notre Dame Catholic High School | 4.9 |
573 | 70.0% | 11.3% | 16.4% | - | 2.3% |
| Center Of Progressive Education | 5.0 |
27 | 48.1% | 33.3% | 18.5% | - | - |
| The Phoenix School | 5.1 |
20 | 10.0% | 25.0% | 65.0% | - | - |
| Kolbe Cathedral High School | 5.9 |
323 | 10.5% | 36.8% | 50.5% | - | 2.2% |
| Academy Of Our Lady Of Mercy, Lauralton Hall | 6.0 |
432 | 91.4% | 4.4% | 3.2% | 0.2% | 0.7% |
| Bridgeport International Academy | 6.6 |
61 | 34.4% | 13.1% | 9.8% | - | 42.6% |
| The Foundation School | 7.5 |
46 | 87.0% | 6.5% | 6.5% | - | - |
| Fairfield College Preparatory | 8.2 |
892 | 86.0% | 6.2% | 4.9% | - | 2.9% |
| Beth Chana Academy High School For Girls | 8.6 |
15 | 100.0% | - | - | - | - |
| Notre Dame High School | 10.8 |
671 | 83.5% | 5.1% | 8.5% | 0.6% | 2.4% |
| Hopkins School | 10.9 |
679 | 81.6% | 3.8% | 10.0% | - | 4.6% |
| Seton Academy | 11.9 |
10 | 80.0% | 10.0% | 10.0% | - | - |
| Rabbinical Institute Of New England | 12.1 |
80 | 100.0% | - | - | - | - |
| Yeshiva Gedolah Rabbinical Institute Of New Engld | 12.1 |
57 | 100.0% | - | - | - | - |
| Cedarhurst School | 13.8 |
47 | 87.2% | 4.3% | 6.4% | - | 2.1% |
| Sacred Heart Academy | 14.1 |
492 | 89.2% | 3.9% | 3.9% | 0.2% | 2.8% |
| Immaculate High School | 16.9 |
406 | 93.8% | 2.2% | 1.0% | 1.0% | 2.0% |
| Westover School | 18.6 |
194 | 77.8% | 4.1% | 8.2% | - | 9.8% |
| Holy Cross High School | 19.4 |
800 | 88.8% | 4.5% | 3.9% | 0.8% | 2.1% |
| Sacred Heart High School | 21.2 |
455 | 73.6% | 11.0% | 12.7% | - | 2.6% |
| Trinity Catholic High School | 22.4 |
542 | 74.7% | 12.0% | 12.7% | 0.2% | 0.4% |
| Choate Rosemary Hall | 23.0 |
846 | 67.4% | 4.7% | 6.6% | 1.1% | 20.2% |
| Yeshiva Bais Binyomin | 23.7 |
60 | 100.0% | - | - | - | - |
| The Taft School | 23.8 |
576 | 80.0% | 2.8% | 5.9% | - | 11.3% |
