| Westbrook Middle School | 0.0 |
290 | 89.3% | 6.9% | 0.7% | 0.3% | 0.7% |
| Jared Eliot School | 3.4 |
466 | 85.2% | 8.6% | 0.6% | 0.4% | 1.7% |
| Abraham Pierson School | 3.7 |
314 | 87.9% | 8.9% | 0.3% | - | 2.2% |
| Old Saybrook Middle School | 4.4 |
584 | 84.2% | 5.0% | 2.2% | - | 5.8% |
| John Winthrop Middle School | 4.5 |
338 | 90.5% | 6.2% | 1.8% | 0.3% | 0.9% |
| Lyme-old Lyme Middle School | 6.8 |
350 | 92.6% | 2.0% | - | - | 4.3% |
| Walter C. Polson Upper Middle School | 8.6 |
605 | 91.9% | 1.8% | 0.8% | 0.2% | 4.0% |
| Dr. Robert H. Brown Middle School | 9.2 |
541 | 92.6% | 1.7% | 0.4% | - | 3.7% |
| Dual Language Arts Academy/academia Bilingue De La | 9.9 |
82 | 25.6% | 56.1% | 11.0% | 1.2% | 2.4% |
| E. C. Adams Middle School | 11.9 |
551 | 87.8% | 6.2% | 0.5% | 0.2% | 3.3% |
| Haddam-killingworth Middle School | 12.8 |
768 | 93.9% | 2.1% | 0.9% | - | 2.9% |
| East Lyme Middle School | 13.0 |
854 | 82.3% | 3.5% | 2.8% | 0.1% | 10.7% |
| A. Baldwin Middle School | 14.0 |
585 | 87.4% | 5.6% | 1.2% | - | 4.4% |
| Nathan Hale-ray Middle School | 14.9 |
497 | 92.4% | 3.6% | 0.8% | 0.4% | 1.4% |
| Frank Ward Strong School | 16.9 |
358 | 91.6% | 4.2% | 1.7% | 0.3% | 2.2% |
| Francis Walsh Intermediate School | 17.0 |
1020 | 87.5% | 5.6% | 1.6% | 0.2% | 3.5% |
| Clark Lane Middle School | 17.5 |
683 | 80.8% | 6.1% | 5.0% | 1.2% | 6.6% |
| North Branford Intermediate School | 18.1 |
573 | 93.4% | 3.0% | 1.6% | 0.3% | 1.7% |
| Leonard J. Tyl Middle School | 18.4 |
638 | 68.2% | 8.6% | 3.9% | 2.0% | 9.9% |
| Bennie Dover Jackson Middle School | 18.5 |
571 | 14.0% | 50.8% | 29.9% | 0.4% | 1.4% |
| Interdistrict School For Arts And Communication | 18.9 |
191 | 26.7% | 43.5% | 27.2% | 2.1% | 0.5% |
| East Hampton Middle School | 19.0 |
469 | 91.5% | 4.9% | 0.6% | - | 1.9% |
| Center School | 19.4 |
303 | 91.4% | 4.0% | 1.0% | - | 3.3% |
| Woodrow Wilson Middle School | 19.4 |
705 | 55.0% | 16.0% | 22.8% | 0.6% | 3.7% |
| Middlefield Memorial School | 19.8 |
325 | 95.1% | 1.8% | - | - | 1.5% |
| West Side Middle School | 20.4 |
268 | 43.3% | 25.4% | 22.8% | 2.6% | 4.5% |
| William J. Johnston Middle School | 20.4 |
700 | 88.7% | 4.6% | 3.3% | 1.0% | 2.0% |
| Dag Hammarskjold Middle School | 21.0 |
709 | 79.7% | 13.5% | 2.4% | 0.3% | 3.9% |
| Portland Middle School | 21.3 |
230 | 85.2% | 5.2% | 2.6% | - | 2.2% |
| Joseph Melillo Middle School | 21.4 |
647 | 75.9% | 17.0% | 2.8% | - | 4.0% |
| Brownstone Intermediate School | 21.5 |
245 | 86.9% | 6.1% | 1.2% | - | 2.0% |
| North Haven Middle School | 21.7 |
797 | 81.8% | 4.6% | 3.1% | 0.3% | 7.8% |
| Fitch Middle School | 22.2 |
407 | 59.5% | 15.7% | 14.7% | 1.5% | 5.7% |
| Keigwin Middle School | 22.6 |
348 | 57.8% | 13.2% | 22.1% | 0.3% | 4.0% |
| Ledyard Middle School | 22.7 |
390 | 77.7% | 5.6% | 8.2% | 4.6% | 3.3% |
| James H. Moran Middle School | 23.4 |
755 | 81.2% | 10.6% | 2.3% | - | 6.0% |
| Engineering - Science University Magnet School | 23.9 |
320 | 26.2% | 17.8% | 48.8% | - | 7.2% |
| Carl C. Cutler Middle School | 24.0 |
355 | 81.1% | 5.4% | 4.2% | 1.4% | 6.5% |
| Washington Middle School | 24.3 |
836 | 32.3% | 48.7% | 14.2% | 0.2% | 1.9% |
| Thomas Edison Magnet Middle School | 24.3 |
721 | 40.5% | 38.3% | 16.4% | - | 4.0% |
| Hamden Middle School | 24.4 |
906 | 41.6% | 15.7% | 34.3% | 0.2% | 6.7% |
| Teachers' Memorial Middle School | 24.5 |
494 | 31.4% | 24.9% | 18.8% | 1.2% | 14.4% |
| Betsy Ross Arts Magnet School | 24.9 |
489 | 29.7% | 24.9% | 42.7% | - | 2.5% |
