| East Moriches School | 5.9 |
327 | 90.5% | 4.3% | 2.1% | - | 3.1% |
| Pulaski Street Elementary School | 7.3 |
713 | 53.3% | 26.9% | 18.0% | 0.6% | 0.4% |
| Riverhead Middle School | 7.5 |
718 | 52.4% | 25.8% | 18.9% | 0.8% | 0.8% |
| Hampton Bays Middle School | 7.8 |
600 | 52.0% | 44.7% | 2.2% | - | 0.3% |
| Center Moriches Middle School | 8.1 |
360 | 79.4% | 11.9% | 4.4% | 2.5% | 1.7% |
| William Floyd Middle School | 8.7 |
1110 | 60.0% | 21.9% | 13.8% | 0.5% | 2.9% |
| William Paca Middle School | 10.9 |
978 | 63.1% | 16.1% | 17.2% | 0.5% | 2.0% |
| Longwood Junior High School | 13.5 |
1363 | 52.8% | 19.0% | 19.9% | 0.7% | 4.0% |
| Southampton Intermediate School | 15.2 |
415 | 58.3% | 24.6% | 5.8% | 8.2% | 3.1% |
| Frank P Long Intermediate School | 15.3 |
652 | 42.5% | 28.7% | 24.8% | 0.9% | 2.6% |
| Albert G Prodell Middle School | 15.4 |
637 | 90.6% | 3.6% | 2.4% | - | 3.0% |
| Longwood Middle School | 15.6 |
1320 | 52.2% | 22.9% | 18.4% | 0.4% | 3.4% |
| Bellport Middle School | 15.7 |
1013 | 46.4% | 25.3% | 24.8% | 0.9% | 1.9% |
| Rocky Point Middle School | 17.4 |
818 | 90.2% | 6.6% | 1.1% | - | 1.5% |
| Oregon Middle School | 18.1 |
606 | 72.3% | 19.8% | 4.8% | 0.5% | 2.5% |
| Saxton Middle School | 18.6 |
734 | 65.0% | 27.7% | 4.4% | - | 2.6% |
| South Ocean Middle School | 19.3 |
509 | 54.6% | 35.8% | 5.7% | - | 3.3% |
| North Country Road School | 20.4 |
705 | 89.4% | 4.5% | 2.4% | 0.1% | 3.0% |
| Sequoya Middle School | 20.7 |
972 | 88.8% | 5.2% | 1.4% | 0.2% | 4.2% |
| Mount Sinai Middle School | 21.1 |
815 | 88.1% | 4.0% | 2.5% | - | 5.4% |
| Sagamore Middle School | 21.2 |
845 | 82.8% | 8.2% | 2.6% | 0.2% | 6.0% |
| James Wilson Young Middle School | 21.3 |
612 | 91.8% | 3.4% | 1.3% | 0.3% | 2.8% |
| Selden Middle School | 21.8 |
1188 | 80.1% | 10.8% | 4.3% | - | 4.2% |
| John F Kennedy Middle School | 21.9 |
843 | 75.8% | 19.3% | 1.9% | - | 2.7% |
| Seneca Middle School | 22.0 |
795 | 86.4% | 7.7% | 2.0% | 0.1% | 3.6% |
| Dawnwood Middle School | 23.3 |
1165 | 78.0% | 13.0% | 3.4% | - | 5.5% |
| Sayville Middle School | 23.3 |
747 | 93.4% | 4.1% | 1.2% | 0.1% | 0.5% |
| Port Jefferson Middle School | 23.5 |
280 | 89.6% | 3.9% | 0.7% | - | 4.3% |
| Samoset Middle School | 23.6 |
885 | 84.9% | 8.6% | 1.9% | 0.1% | 4.5% |
| Robert Cushman Murphy Junior High School | 24.8 |
958 | 84.7% | 2.2% | 1.6% | 0.1% | 11.3% |
