| Wheeler High School | 5.7 |
216 | 93.1% | 1.4% | 3.2% | - | - |
| Corrigan/radgowski Correctional Institution | 6.0 |
45 | 28.9% | 31.1% | 40.0% | - | - |
| Ella T. Grasso Southeastern Technical High School | 6.7 |
569 | 53.8% | 30.6% | 10.9% | 1.6% | 0.9% |
| Fitch Senior High School | 6.8 |
1237 | 61.0% | 13.5% | 14.1% | 2.0% | 7.0% |
| Thames River Academy | 6.8 |
76 | 55.3% | 22.4% | 9.2% | 3.9% | 1.3% |
| Palmer Academy | 7.0 |
26 | 73.1% | 11.5% | 7.7% | - | - |
| Norwich Technical High School | 7.4 |
656 | 77.0% | 11.1% | 4.3% | 0.8% | 1.1% |
| Norwich Free Academy | 8.2 |
2315 | 67.1% | 13.2% | 7.0% | 2.1% | 3.4% |
| New London High School | 8.5 |
935 | 21.8% | 42.8% | 28.9% | 1.6% | 2.0% |
| Stonington High School | 8.5 |
772 | 97.7% | 1.7% | 0.1% | 0.4% | - |
| Montville High School | 8.8 |
772 | 72.5% | 6.9% | 4.4% | 2.2% | 8.2% |
| Waterford High School | 9.7 |
895 | 80.2% | 7.7% | 5.1% | 0.9% | 5.7% |
| Deborah-tennant Zinewicz School | 9.8 |
44 | 40.9% | 22.7% | 25.0% | 2.3% | - |
| Griswold High School | 10.9 |
652 | 89.0% | 4.1% | 2.9% | 1.7% | 1.7% |
| Community Connection - The Big Picture High School | 11.6 |
24 | 95.8% | 4.2% | - | - | - |
| East Lyme High School | 12.2 |
1162 | 85.5% | 3.1% | 1.7% | 0.5% | 8.4% |
| York Correctional Institution | 14.8 |
29 | 27.6% | 17.2% | 55.2% | - | - |
| Lyman Memorial High School | 17.9 |
445 | 94.6% | 2.5% | - | 1.6% | 1.3% |
| Bacon Academy | 18.6 |
983 | 88.1% | 4.9% | 4.0% | 1.0% | 1.5% |
| Lyme-old Lyme High School | 19.1 |
412 | 91.3% | 3.9% | 0.2% | - | 3.6% |
| Plainfield High School | 20.9 |
758 | 88.9% | 4.2% | 2.8% | 1.1% | 2.6% |
| Act Magnet School (arts At The Capitol Theater) - | 22.1 |
128 | 79.7% | 11.7% | 5.5% | 0.8% | 0.8% |
| Parish Hill High School | 22.4 |
292 | 91.1% | 5.1% | 2.1% | 0.3% | - |
| Windham Technical High School | 22.7 |
572 | 68.4% | 27.1% | 3.0% | 1.0% | 0.3% |
| Windham High School | 22.8 |
729 | 31.1% | 61.3% | 4.8% | 0.3% | 1.4% |
| Old Saybrook Senior High School | 23.3 |
543 | 88.0% | 2.9% | 1.5% | - | 7.4% |
| Nathan Hale-ray High School | 23.5 |
406 | 96.3% | 2.0% | 1.2% | - | 0.2% |
| Valley Regional High School | 23.9 |
619 | 94.2% | 3.1% | 1.0% | 0.2% | 1.0% |
| Partial Day Program | 24.4 |
6 | - | 83.3% | 16.7% | - | - |
| Rham High School | 24.7 |
1175 | 95.1% | 2.0% | 0.9% | 0.2% | 1.8% |
