| Center Moriches Middle School | 0.7 |
360 | 79.4% | 11.9% | 4.4% | 2.5% | 1.7% |
| East Moriches School | 2.9 |
327 | 90.5% | 4.3% | 2.1% | - | 3.1% |
| William Paca Middle School | 2.9 |
978 | 63.1% | 16.1% | 17.2% | 0.5% | 2.0% |
| Longwood Junior High School | 5.9 |
1363 | 52.8% | 19.0% | 19.9% | 0.7% | 4.0% |
| Frank P Long Intermediate School | 6.7 |
652 | 42.5% | 28.7% | 24.8% | 0.9% | 2.6% |
| Bellport Middle School | 7.4 |
1013 | 46.4% | 25.3% | 24.8% | 0.9% | 1.9% |
| Longwood Middle School | 7.9 |
1320 | 52.2% | 22.9% | 18.4% | 0.4% | 3.4% |
| Westhampton Middle School | 8.7 |
416 | 79.6% | 12.5% | 1.7% | - | 1.2% |
| Oregon Middle School | 9.4 |
606 | 72.3% | 19.8% | 4.8% | 0.5% | 2.5% |
| Albert G Prodell Middle School | 9.8 |
637 | 90.6% | 3.6% | 2.4% | - | 3.0% |
| Saxton Middle School | 9.9 |
734 | 65.0% | 27.7% | 4.4% | - | 2.6% |
| South Ocean Middle School | 10.8 |
509 | 54.6% | 35.8% | 5.7% | - | 3.3% |
| Pulaski Street Elementary School | 11.0 |
713 | 53.3% | 26.9% | 18.0% | 0.6% | 0.4% |
| Riverhead Middle School | 11.0 |
718 | 52.4% | 25.8% | 18.9% | 0.8% | 0.8% |
| Rocky Point Middle School | 11.2 |
818 | 90.2% | 6.6% | 1.1% | - | 1.5% |
| Sequoya Middle School | 12.0 |
972 | 88.8% | 5.2% | 1.4% | 0.2% | 4.2% |
| Sagamore Middle School | 12.6 |
845 | 82.8% | 8.2% | 2.6% | 0.2% | 6.0% |
| James Wilson Young Middle School | 12.7 |
612 | 91.8% | 3.4% | 1.3% | 0.3% | 2.8% |
| Seneca Middle School | 13.3 |
795 | 86.4% | 7.7% | 2.0% | 0.1% | 3.6% |
| Selden Middle School | 13.6 |
1188 | 80.1% | 10.8% | 4.3% | - | 4.2% |
| North Country Road School | 13.9 |
705 | 89.4% | 4.5% | 2.4% | 0.1% | 3.0% |
| Mount Sinai Middle School | 14.0 |
815 | 88.1% | 4.0% | 2.5% | - | 5.4% |
| John F Kennedy Middle School | 14.2 |
843 | 75.8% | 19.3% | 1.9% | - | 2.7% |
| Sayville Middle School | 14.7 |
747 | 93.4% | 4.1% | 1.2% | 0.1% | 0.5% |
| Dawnwood Middle School | 15.0 |
1165 | 78.0% | 13.0% | 3.4% | - | 5.5% |
| Samoset Middle School | 15.0 |
885 | 84.9% | 8.6% | 1.9% | 0.1% | 4.5% |
| Port Jefferson Middle School | 16.0 |
280 | 89.6% | 3.9% | 0.7% | - | 4.3% |
| Hampton Bays Middle School | 16.2 |
600 | 52.0% | 44.7% | 2.2% | - | 0.3% |
| Ronkonkoma Middle School | 16.6 |
761 | 81.9% | 10.9% | 1.7% | 0.3% | 5.1% |
| Robert Cushman Murphy Junior High School | 16.6 |
958 | 84.7% | 2.2% | 1.6% | 0.1% | 11.3% |
| Oakdale Bohemia Middle School | 17.0 |
802 | 92.9% | 4.1% | 0.5% | 0.1% | 2.1% |
| Great Hollow Middle School | 18.2 |
1010 | 87.8% | 4.4% | 1.2% | 0.4% | 5.4% |
| Paul J Gelinas Junior High School | 18.3 |
894 | 88.0% | 2.9% | 1.3% | 0.1% | 7.6% |
| Nesaquake Middle School | 19.4 |
809 | 92.2% | 3.2% | 1.0% | 0.5% | 3.0% |
| East Islip Middle School | 19.6 |
1051 | 84.2% | 11.1% | 1.0% | - | 1.0% |
| Ralph Reed School | 19.7 |
909 | 4.4% | 63.1% | 28.4% | 0.3% | 3.4% |
| Charles A Mulligan School | 19.7 |
964 | 5.8% | 67.3% | 23.8% | 0.3% | 2.7% |
| Hauppauge Middle School | 20.0 |
982 | 85.9% | 5.8% | 2.2% | 0.2% | 5.6% |
| East Middle School | 21.9 |
955 | 6.1% | 80.1% | 12.3% | 0.1% | 1.2% |
| Accompsett Middle School | 22.4 |
779 | 91.3% | 3.7% | 1.0% | 0.4% | 3.0% |
| South Middle School | 22.8 |
896 | 4.5% | 76.3% | 16.5% | - | 2.5% |
| Islip Middle School | 23.1 |
752 | 71.5% | 17.2% | 6.9% | - | 2.1% |
| William T Rogers Middle School | 23.4 |
967 | 93.4% | 3.5% | 0.4% | - | 2.7% |
| Bay Shore Middle School | 23.4 |
1371 | 40.3% | 31.9% | 21.7% | 0.1% | 5.1% |
| Rj O Intermediate School | 23.5 |
614 | 92.7% | 3.7% | - | - | 3.1% |
| North Middle School | 23.6 |
1052 | 6.1% | 78.0% | 14.0% | 0.2% | 1.6% |
| Southampton Intermediate School | 23.6 |
415 | 58.3% | 24.6% | 5.8% | 8.2% | 3.1% |
