| Sarah Noble Intermediate School | 4.0 |
1035 | 84.0% | 8.0% | 1.9% | 0.1% | 4.1% |
| Shepaug Valley Middle School | 4.7 |
213 | 91.5% | 3.8% | 2.3% | - | 1.4% |
| Woodbury Middle School | 10.6 |
421 | 95.7% | 0.7% | 1.0% | - | 2.6% |
| Whisconier Middle School | 12.3 |
871 | 87.1% | 5.5% | 1.0% | 0.5% | 5.9% |
| New Fairfield Middle School | 12.4 |
684 | 91.2% | 5.7% | 1.2% | - | 1.8% |
| Litchfield Intermediate School | 12.9 |
263 | 91.6% | 2.7% | 1.9% | - | 2.3% |
| Rochambeau Middle School | 13.7 |
505 | 91.3% | 2.8% | 0.6% | 0.2% | 5.1% |
| King Street Intermediate School | 14.5 |
372 | 48.9% | 34.1% | 7.8% | - | 7.3% |
| Broadview Middle School | 14.8 |
1121 | 49.4% | 31.8% | 10.7% | 0.1% | 7.0% |
| Newtown Middle School | 15.1 |
871 | 91.3% | 4.1% | 1.5% | - | 2.3% |
| Reed Intermediate School | 15.8 |
878 | 89.9% | 4.2% | 1.8% | 0.1% | 3.2% |
| Swift Middle School | 15.8 |
771 | 86.4% | 7.1% | 1.7% | 0.4% | 2.2% |
| Ralph M. T. Johnson School | 16.2 |
447 | 74.5% | 13.2% | 2.2% | - | 6.7% |
| Bethel Middle School | 16.4 |
693 | 75.3% | 13.4% | 1.9% | - | 6.8% |
| Memorial Middle School | 16.4 |
510 | 89.0% | 4.3% | 1.2% | 0.2% | 5.3% |
| Rogers Park Middle School | 16.5 |
1110 | 42.4% | 40.5% | 9.3% | 0.1% | 6.1% |
| Thomaston Center School | 16.9 |
239 | 95.0% | 2.1% | 2.1% | - | 0.8% |
| West Side Middle School | 17.9 |
1076 | 21.7% | 48.3% | 25.7% | 0.2% | 2.5% |
| Great Oak School | 18.9 |
532 | 90.4% | 4.9% | 1.5% | 0.2% | 2.4% |
| Waterbury Arts Magnet School (middle) | 18.9 |
330 | 42.1% | 27.6% | 22.4% | - | 1.2% |
| North End Middle School | 18.9 |
1195 | 14.0% | 51.0% | 32.1% | 0.4% | 1.1% |
| Hillside Intermediate School | 19.5 |
408 | 67.2% | 18.6% | 5.9% | 0.2% | 2.7% |
| City Hill Middle School | 20.5 |
709 | 66.9% | 17.5% | 7.5% | 0.1% | 3.0% |
| Eli Terry Jr. Middle School | 20.5 |
427 | 93.7% | 2.1% | 2.1% | 0.7% | 0.9% |
| Jockey Hollow School | 20.7 |
888 | 86.9% | 5.4% | 1.1% | 0.5% | 3.3% |
| Cross Street Intermediate School | 20.8 |
284 | 66.9% | 15.5% | 8.8% | - | 4.2% |
| Scotts Ridge Middle School | 21.4 |
538 | 90.9% | 5.0% | 0.7% | - | 2.8% |
| John Read Middle School | 21.6 |
592 | 87.2% | 4.1% | 0.5% | 0.8% | 2.7% |
| Seymour Middle School | 22.3 |
588 | 85.2% | 8.0% | 3.4% | 0.5% | 2.9% |
| Torrington Middle School | 22.4 |
1127 | 75.0% | 15.6% | 5.4% | 0.2% | 3.1% |
| Michael F. Wallace Middle School | 22.4 |
1223 | 18.9% | 48.4% | 25.8% | 1.1% | 2.6% |
| Tyrrell Middle School | 22.5 |
667 | 89.1% | 4.8% | 1.9% | - | 1.3% |
| Chippens Hill Middle School | 22.9 |
817 | 69.5% | 18.4% | 8.1% | 0.2% | 2.9% |
| Long River Middle School | 23.0 |
579 | 91.2% | 5.7% | 0.7% | - | 0.5% |
| Community School | 23.1 |
208 | 90.9% | 3.4% | 4.3% | - | 1.4% |
| Memorial Boulevard Middle School | 23.8 |
512 | 68.0% | 19.7% | 5.7% | - | 3.5% |
| Har-bur Middle School | 23.8 |
879 | 93.5% | 4.3% | 0.5% | - | 1.4% |
| East Ridge Middle School | 24.1 |
767 | 88.5% | 4.3% | 0.4% | - | 5.9% |
| Amity Middle School: Bethany | 24.4 |
378 | 86.0% | 2.9% | 3.2% | - | 7.9% |
| Ansonia Middle School | 25.0 |
472 | 49.4% | 26.3% | 20.6% | 2.1% | 0.6% |
