| Rocky Point High School | 0.0 |
1047 | 93.1% | 4.5% | 0.4% | - | 1.3% |
| Miller Place High School | 2.6 |
973 | 88.7% | 5.3% | 1.8% | 0.2% | 2.7% |
| Shoreham Wading River High School | 3.9 |
834 | 91.1% | 4.2% | 2.5% | - | 2.2% |
| Mount Sinai High School | 4.3 |
814 | 90.5% | 2.7% | 2.0% | 0.1% | 4.7% |
| Longwood High School | 5.4 |
2845 | 57.9% | 17.9% | 19.2% | 0.2% | 3.3% |
| Comsewogue High School | 5.4 |
1309 | 76.2% | 17.9% | 2.4% | - | 3.2% |
| Earl L Vandermeulen High School | 6.7 |
401 | 86.8% | 6.2% | 1.0% | - | 3.5% |
| Ward Melville Senior High School | 7.2 |
1848 | 85.0% | 5.0% | 1.7% | 0.1% | 7.6% |
| Sachem High School East | 7.6 |
2347 | 85.3% | 7.0% | 2.1% | 0.2% | 5.4% |
| Newfield High School | 7.8 |
1694 | 75.1% | 13.6% | 5.3% | 0.1% | 5.5% |
| Centereach High School | 8.8 |
1641 | 78.5% | 10.7% | 4.2% | - | 6.2% |
| Patchogue Medford High School | 9.4 |
2646 | 69.8% | 22.2% | 5.4% | 0.3% | 1.9% |
| Eastport South Manor Junior Senior High School | 9.8 |
1833 | 92.5% | 3.9% | 2.1% | 0.1% | 1.4% |
| Sachem High School North | 10.9 |
2326 | 85.1% | 8.4% | 1.7% | 0.0% | 4.6% |
| Bellport Senior High School | 11.5 |
1346 | 47.0% | 22.8% | 27.4% | 0.3% | 1.9% |
| Center Moriches High School | 11.8 |
566 | 77.7% | 8.8% | 6.0% | 5.8% | 1.6% |
| William Floyd High School | 12.1 |
2928 | 63.7% | 18.3% | 13.8% | 1.0% | 2.5% |
| Smithtown High School East | 12.6 |
1755 | 91.6% | 4.0% | 0.9% | 0.1% | 3.2% |
| Riverhead Senior High School | 13.9 |
1525 | 55.5% | 21.8% | 20.1% | 0.7% | 1.2% |
| Bayport Blue Point High School | 14.9 |
769 | 93.0% | 3.5% | 1.0% | 0.1% | 2.1% |
| Connetquot High School | 15.0 |
2101 | 86.3% | 7.9% | 1.7% | 0.1% | 3.8% |
| Hauppauge High School | 15.8 |
1382 | 84.4% | 5.7% | 2.2% | 0.1% | 7.5% |
| Kings Park High School | 16.1 |
1260 | 94.4% | 2.0% | 0.4% | 0.1% | 3.0% |
| Sayville High School | 16.3 |
1080 | 94.4% | 3.6% | 0.6% | 0.1% | 1.1% |
| Smithtown High School West | 16.6 |
1753 | 93.7% | 2.6% | 0.7% | 0.1% | 2.9% |
| Central Islip Senior High School | 17.0 |
1788 | 7.5% | 59.8% | 28.9% | 0.1% | 3.6% |
| Westhampton Beach Senior High School | 17.4 |
1006 | 81.7% | 12.2% | 2.1% | 0.2% | 2.2% |
| East Islip High School | 18.2 |
1582 | 87.4% | 8.8% | 1.3% | 0.1% | 1.1% |
| Commack High School | 19.0 |
2474 | 87.1% | 4.8% | 1.2% | 0.1% | 6.2% |
| Brentwood High School | 20.0 |
3916 | 9.3% | 72.1% | 16.3% | 0.2% | 2.0% |
| Islip High School | 20.6 |
1162 | 75.1% | 14.9% | 5.3% | 0.1% | 3.8% |
| Northport Senior High School | 21.3 |
2105 | 91.4% | 4.8% | 0.6% | 0.1% | 3.0% |
| Elwood John Glenn High School | 21.4 |
844 | 71.8% | 9.8% | 9.7% | 0.1% | 7.9% |
| Bay Shore Senior High School | 21.8 |
1872 | 37.7% | 35.1% | 22.8% | 0.1% | 3.9% |
| Mattituck Junior Senior High School | 22.0 |
805 | 89.6% | 5.1% | 3.1% | - | 1.6% |
| Harborfields High School | 22.3 |
1142 | 86.2% | 4.3% | 6.1% | - | 2.8% |
| Hampton Bays Secondary School | 23.1 |
636 | 62.3% | 35.5% | 1.1% | 0.2% | 0.3% |
| Half Hollow Hills High School East | 23.8 |
1806 | 66.8% | 5.9% | 13.8% | - | 12.3% |
| Deer Park High School | 24.0 |
1357 | 57.9% | 14.4% | 17.5% | 0.1% | 8.6% |
| Half Hollow Hills High School West | 24.3 |
1480 | 63.0% | 5.8% | 16.5% | 0.1% | 13.9% |
| North Babylon High School | 24.9 |
1605 | 54.0% | 16.9% | 25.9% | 0.1% | 2.4% |
