| Lyme-old Lyme Middle School | 0.0 |
350 | 92.6% | 2.0% | - | - | 4.3% |
| Old Saybrook Middle School | 3.1 |
584 | 84.2% | 5.0% | 2.2% | - | 5.8% |
| Dual Language Arts Academy/academia Bilingue De La | 3.2 |
82 | 25.6% | 56.1% | 11.0% | 1.2% | 2.4% |
| East Lyme Middle School | 6.3 |
854 | 82.3% | 3.5% | 2.8% | 0.1% | 10.7% |
| Westbrook Middle School | 6.8 |
290 | 89.3% | 6.9% | 0.7% | 0.3% | 0.7% |
| John Winthrop Middle School | 7.4 |
338 | 90.5% | 6.2% | 1.8% | 0.3% | 0.9% |
| Jared Eliot School | 10.1 |
466 | 85.2% | 8.6% | 0.6% | 0.4% | 1.7% |
| Abraham Pierson School | 10.4 |
314 | 87.9% | 8.9% | 0.3% | - | 2.2% |
| Clark Lane Middle School | 10.7 |
683 | 80.8% | 6.1% | 5.0% | 1.2% | 6.6% |
| Bennie Dover Jackson Middle School | 11.8 |
571 | 14.0% | 50.8% | 29.9% | 0.4% | 1.4% |
| Interdistrict School For Arts And Communication | 12.2 |
191 | 26.7% | 43.5% | 27.2% | 2.1% | 0.5% |
| Leonard J. Tyl Middle School | 12.5 |
638 | 68.2% | 8.6% | 3.9% | 2.0% | 9.9% |
| West Side Middle School | 13.6 |
268 | 43.3% | 25.4% | 22.8% | 2.6% | 4.5% |
| Nathan Hale-ray Middle School | 14.7 |
497 | 92.4% | 3.6% | 0.8% | 0.4% | 1.4% |
| Walter C. Polson Upper Middle School | 15.3 |
605 | 91.9% | 1.8% | 0.8% | 0.2% | 4.0% |
| Dr. Robert H. Brown Middle School | 15.4 |
541 | 92.6% | 1.7% | 0.4% | - | 3.7% |
| Fitch Middle School | 15.4 |
407 | 59.5% | 15.7% | 14.7% | 1.5% | 5.7% |
| Haddam-killingworth Middle School | 15.8 |
768 | 93.9% | 2.1% | 0.9% | - | 2.9% |
| Ledyard Middle School | 16.3 |
390 | 77.7% | 5.6% | 8.2% | 4.6% | 3.3% |
| Carl C. Cutler Middle School | 17.2 |
355 | 81.1% | 5.4% | 4.2% | 1.4% | 6.5% |
| William J. Johnston Middle School | 17.7 |
700 | 88.7% | 4.6% | 3.3% | 1.0% | 2.0% |
| E. C. Adams Middle School | 18.7 |
551 | 87.8% | 6.2% | 0.5% | 0.2% | 3.3% |
| Teachers' Memorial Middle School | 18.8 |
494 | 31.4% | 24.9% | 18.8% | 1.2% | 14.4% |
| Center School | 20.0 |
303 | 91.4% | 4.0% | 1.0% | - | 3.3% |
| East Hampton Middle School | 20.0 |
469 | 91.5% | 4.9% | 0.6% | - | 1.9% |
| Mystic Middle School | 20.1 |
421 | 96.2% | 1.9% | - | - | - |
| Kelly Middle School | 20.4 |
624 | 41.0% | 25.8% | 19.4% | 1.1% | 4.8% |
| A. Baldwin Middle School | 20.4 |
585 | 87.4% | 5.6% | 1.2% | - | 4.4% |
| Frank Ward Strong School | 21.2 |
358 | 91.6% | 4.2% | 1.7% | 0.3% | 2.2% |
| Preston Plains School | 21.3 |
129 | 86.8% | 3.1% | - | 3.1% | 2.3% |
| Lebanon Middle School | 21.7 |
386 | 92.7% | 2.3% | - | 3.6% | 1.3% |
| Woodrow Wilson Middle School | 22.5 |
705 | 55.0% | 16.0% | 22.8% | 0.6% | 3.7% |
| Middlefield Memorial School | 23.6 |
325 | 95.1% | 1.8% | - | - | 1.5% |
| Portland Middle School | 23.6 |
230 | 85.2% | 5.2% | 2.6% | - | 2.2% |
| Francis Walsh Intermediate School | 23.7 |
1020 | 87.5% | 5.6% | 1.6% | 0.2% | 3.5% |
| Rham Middle School | 23.9 |
609 | 96.6% | 1.5% | 0.7% | - | 1.3% |
| Brownstone Intermediate School | 24.0 |
245 | 86.9% | 6.1% | 1.2% | - | 2.0% |
| Wheeler Middle School | 24.3 |
181 | 89.0% | 2.8% | 3.3% | - | - |
| North Branford Intermediate School | 24.6 |
573 | 93.4% | 3.0% | 1.6% | 0.3% | 1.7% |
