| Index | Middletown | Connecticut | National |
| Average Test Scores | 47% | 53% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 16 | 654 | 79,221 |
| Total private schools | 8 | 207 | 24,874 |
| Total post-secondary schools | 3 | 81 | 7,963 |
| Index | Middletown | Connecticut | National |
| Completed 8th grade | 89.1% | 88.0% | 84.3% |
| Completed high school | 88.4% | 86.9% | 83.0% |
| Completed some college | 63.5% | 62.9% | 59.4% |
| Completed associate degree | 45.2% | 45.5% | 38.5% |
| Completed bachelors | 36.9% | 38.0% | 30.3% |
| Completed masters | 17.4% | 16.8% | 11.5% |
| Completed professional degree | 4.1% | 4.6% | 3.3% |
| Completed doctorate | 2.4% | 1.7% | 1.3% |
There are a total of 16 public schools, 8 private schools and 3 post-secondary schools in Middletown. Using the proficiency score averages, the average test scores for Middletown, CT schools is 47%. The average student to teacher ratio is 12:1. In Middletown, CT, an average of 89.1% of students have completed 8th grade and an average of 88.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cheshire Village, CT | 6,491 | 78% | 62.0% |
| Chester Center, CT | 1,731 | 77% | 60.4% |
| Higganum, CT | 1,763 | 75% | 55.2% |
| Plantsville, CT | 1,923 | 70% | 44.8% |
| Deep River Center, CT | 2,638 | 70% | 44.8% |
| Middletown, CT | 46,406 | 47% | 2.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Bothell, WA | 46,386 | 70% | 45.7% |
| Mansfield, OH | 46,450 | 53% | 11.0% |
| Titusville, FL | 46,307 | 49% | 3.0% |
| Everett, MA | 46,275 | 40% | 17.7% |
| Alexandria, LA | 46,545 | 60% | 24.9% |
| Middletown, CT | 46,406 | 47% | 2.8% |
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