| Index | New Haven | Connecticut | National |
| Average Test Scores | 28% | 53% | 48% |
| Student/Teacher ratio | 29:1 | 14:1 | 16:1 |
| Total public schools | 53 | 654 | 79,221 |
| Total private schools | 14 | 207 | 24,874 |
| Total post-secondary schools | 5 | 81 | 7,963 |
| Index | New Haven | Connecticut | National |
| Completed 8th grade | 81.3% | 88.0% | 84.3% |
| Completed high school | 79.8% | 86.9% | 83.0% |
| Completed some college | 53.6% | 62.9% | 59.4% |
| Completed associate degree | 38.6% | 45.5% | 38.5% |
| Completed bachelors | 34.2% | 38.0% | 30.3% |
| Completed masters | 18.7% | 16.8% | 11.5% |
| Completed professional degree | 8.6% | 4.6% | 3.3% |
| Completed doctorate | 4.5% | 1.7% | 1.3% |
There are a total of 53 public schools, 14 private schools and 5 post-secondary schools in New Haven. Using the proficiency score averages, the average test scores for New Haven, CT schools is 28%. The average student to teacher ratio is 29:1. In New Haven, CT, an average of 81.3% of students have completed 8th grade and an average of 79.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Guilford Center, CT | 2,653 | 81% | 67.7% |
| Trumbull, CT | 36,477 | 79% | 64.0% |
| Cheshire Village, CT | 6,491 | 78% | 62.0% |
| Orange, CT | 13,928 | 75% | 55.7% |
| Shelton, CT | 41,162 | 67% | 39.1% |
| New Haven, CT | 130,381 | 28% | 40.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Stamford, CT | 130,057 | 46% | 3.3% |
| Kent, WA | 130,038 | 47% | 2.3% |
| Concord, CA | 129,227 | 34% | 28.7% |
| Round Rock, TX | 128,812 | 56% | 15.9% |
| Elizabeth, NJ | 128,484 | 38% | 21.3% |
| New Haven, CT | 130,381 | 28% | 40.6% |
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