| Whisconier Middle School | 0.0 |
871 | 87.1% | 5.5% | 1.0% | 0.5% | 5.9% |
| Ralph M. T. Johnson School | 4.0 |
447 | 74.5% | 13.2% | 2.2% | - | 6.7% |
| Broadview Middle School | 4.1 |
1121 | 49.4% | 31.8% | 10.7% | 0.1% | 7.0% |
| Bethel Middle School | 4.2 |
693 | 75.3% | 13.4% | 1.9% | - | 6.8% |
| Newtown Middle School | 4.4 |
871 | 91.3% | 4.1% | 1.5% | - | 2.3% |
| Reed Intermediate School | 5.2 |
878 | 89.9% | 4.2% | 1.8% | 0.1% | 3.2% |
| Rogers Park Middle School | 5.3 |
1110 | 42.4% | 40.5% | 9.3% | 0.1% | 6.1% |
| King Street Intermediate School | 6.6 |
372 | 48.9% | 34.1% | 7.8% | - | 7.3% |
| New Fairfield Middle School | 7.0 |
684 | 91.2% | 5.7% | 1.2% | - | 1.8% |
| Rochambeau Middle School | 8.1 |
505 | 91.3% | 2.8% | 0.6% | 0.2% | 5.1% |
| Sarah Noble Intermediate School | 8.7 |
1035 | 84.0% | 8.0% | 1.9% | 0.1% | 4.1% |
| John Read Middle School | 9.4 |
592 | 87.2% | 4.1% | 0.5% | 0.8% | 2.7% |
| Jockey Hollow School | 10.0 |
888 | 86.9% | 5.4% | 1.1% | 0.5% | 3.3% |
| Woodbury Middle School | 11.3 |
421 | 95.7% | 0.7% | 1.0% | - | 2.6% |
| Scotts Ridge Middle School | 11.4 |
538 | 90.9% | 5.0% | 0.7% | - | 2.8% |
| Shepaug Valley Middle School | 11.7 |
213 | 91.5% | 3.8% | 2.3% | - | 1.4% |
| Great Oak School | 12.3 |
532 | 90.4% | 4.9% | 1.5% | 0.2% | 2.4% |
| Schaghticoke Middle School | 12.3 |
697 | 82.4% | 9.9% | 2.2% | - | 4.4% |
| East Ridge Middle School | 12.8 |
767 | 88.5% | 4.3% | 0.4% | - | 5.9% |
| Seymour Middle School | 14.5 |
588 | 85.2% | 8.0% | 3.4% | 0.5% | 2.9% |
| Madison Middle School | 14.6 |
857 | 85.3% | 6.0% | 2.3% | - | 6.4% |
| Helen Keller Middle School | 14.6 |
391 | 89.8% | 5.9% | 0.8% | - | 2.8% |
| Hillcrest Middle School | 15.5 |
748 | 83.0% | 6.4% | 3.6% | 0.1% | 6.8% |
| Weston Middle School | 15.7 |
629 | 90.6% | 2.7% | 1.4% | - | 4.0% |
| Intermediate School | 15.9 |
931 | 82.7% | 7.8% | 3.7% | 0.1% | 5.7% |
| Derby Middle School | 16.2 |
334 | 58.1% | 22.2% | 15.6% | - | 2.1% |
| Memorial Middle School | 16.3 |
510 | 89.0% | 4.3% | 1.2% | 0.2% | 5.3% |
| Ansonia Middle School | 16.6 |
472 | 49.4% | 26.3% | 20.6% | 2.1% | 0.6% |
| Middlebrook School | 16.8 |
1058 | 91.1% | 1.9% | 0.9% | 0.1% | 5.9% |
| Perry Hill Elementary School | 16.8 |
829 | 82.9% | 9.0% | 2.2% | 0.2% | 5.4% |
| Hillside Intermediate School | 16.9 |
408 | 67.2% | 18.6% | 5.9% | 0.2% | 2.7% |
| Cross Street Intermediate School | 17.3 |
284 | 66.9% | 15.5% | 8.8% | - | 4.2% |
| West Side Middle School | 17.8 |
1076 | 21.7% | 48.3% | 25.7% | 0.2% | 2.5% |
| Swift Middle School | 17.8 |
771 | 86.4% | 7.1% | 1.7% | 0.4% | 2.2% |
| City Hill Middle School | 18.0 |
709 | 66.9% | 17.5% | 7.5% | 0.1% | 3.0% |
| Coleytown Middle School | 18.2 |
501 | 93.4% | 2.0% | 1.4% | 0.2% | 2.6% |
| Fairfield Woods Middle School | 18.8 |
769 | 84.9% | 6.2% | 2.0% | - | 4.6% |
| Waterbury Arts Magnet School (middle) | 19.2 |
330 | 42.1% | 27.6% | 22.4% | - | 1.2% |
| Amity Middle School: Bethany | 19.2 |
378 | 86.0% | 2.9% | 3.2% | - | 7.9% |
| Bedford Middle School | 19.7 |
852 | 88.3% | 4.2% | 1.4% | - | 5.9% |
| David Wooster Middle School | 20.0 |
543 | 47.3% | 21.5% | 24.5% | 0.6% | 2.4% |
| Park City Prep Charter School | 20.3 |
257 | 1.9% | 34.6% | 61.5% | - | 0.8% |
| Make The Grade | 20.7 |
39 | - | 33.3% | 66.7% | - | - |
| Community School | 21.1 |
208 | 90.9% | 3.4% | 4.3% | - | 1.4% |
| Roger Ludlowe Middle School | 21.1 |
997 | 84.3% | 6.9% | 3.0% | 0.2% | 4.0% |
| Long River Middle School | 21.2 |
579 | 91.2% | 5.7% | 0.7% | - | 0.5% |
| North End Middle School | 21.2 |
1195 | 14.0% | 51.0% | 32.1% | 0.4% | 1.1% |
| West Rocks Middle School | 21.3 |
664 | 38.6% | 35.2% | 20.6% | 0.2% | 4.8% |
| Tomlinson Middle School | 21.4 |
756 | 81.2% | 10.3% | 2.0% | 0.3% | 4.1% |
| Amity Middle School: Orange | 21.5 |
390 | 77.4% | 6.4% | 2.3% | 0.5% | 12.3% |
| Saxe Middle School | 22.1 |
1232 | 90.5% | 3.2% | 0.9% | 0.6% | 3.4% |
| Michael F. Wallace Middle School | 22.1 |
1223 | 18.9% | 48.4% | 25.8% | 1.1% | 2.6% |
| Harborside Middle School | 22.2 |
607 | 84.5% | 3.5% | 4.8% | - | 7.2% |
| Ponus Ridge Middle School | 22.2 |
609 | 25.8% | 41.5% | 27.3% | 0.2% | 4.8% |
| Thomaston Center School | 22.4 |
239 | 95.0% | 2.1% | 2.1% | - | 0.8% |
| Nathan Hale Middle School | 22.4 |
613 | 46.0% | 32.1% | 17.5% | - | 4.1% |
| West Shore Middle School | 22.5 |
580 | 79.8% | 6.9% | 5.7% | - | 7.6% |
| Litchfield Intermediate School | 22.5 |
263 | 91.6% | 2.7% | 1.9% | - | 2.3% |
| Tyrrell Middle School | 22.6 |
667 | 89.1% | 4.8% | 1.9% | - | 1.3% |
| Scofield Middle School | 23.0 |
629 | 40.9% | 33.4% | 14.6% | 0.3% | 10.0% |
| Carrigan 5/6 Intermediate School | 23.4 |
922 | 36.8% | 32.5% | 23.0% | - | 2.9% |
| Harry M. Bailey Middle School | 24.4 |
948 | 42.8% | 28.0% | 22.3% | - | 2.7% |
| Hamden Middle School | 24.4 |
906 | 41.6% | 15.7% | 34.3% | 0.2% | 6.7% |
| East Shore Middle School | 24.4 |
502 | 87.3% | 4.6% | 4.2% | 0.2% | 3.6% |
| Dodd Middle School | 24.9 |
774 | 85.3% | 3.4% | 2.2% | 0.1% | 9.0% |
