| Index | Norwich | Connecticut | National |
| Average Test Scores | 40% | 53% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 18 | 654 | 79,221 |
| Total private schools | 4 | 207 | 24,874 |
| Total post-secondary schools | 2 | 81 | 7,963 |


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| Index | Norwich | Connecticut | National |
| Completed 8th grade | 81.0% | 88.0% | 84.3% |
| Completed high school | 79.9% | 86.9% | 83.0% |
| Completed some college | 48.8% | 62.9% | 59.4% |
| Completed associate degree | 26.3% | 45.5% | 38.5% |
| Completed bachelors | 18.3% | 38.0% | 30.3% |
| Completed masters | 7.5% | 16.8% | 11.5% |
| Completed professional degree | 1.6% | 4.6% | 3.3% |
| Completed doctorate | 0.7% | 1.7% | 1.3% |
There are a total of 18 public schools, 4 private schools and 2 post-secondary schools in Norwich. Using the proficiency score averages, the average test scores for Norwich, CT schools is 40%. The average student to teacher ratio is 15:1. In Norwich, CT, an average of 81.0% of students have completed 8th grade and an average of 79.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Stonington, CT | 930 | 77% | 60.4% |
| South Coventry, CT | 1,470 | 73% | 51.4% |
| Pawcatuck, CT | 5,162 | 68% | 42.4% |
| Colchester, CT | 5,282 | 65% | 35.4% |
| Moosup, CT | 4,011 | 65% | 34.4% |
| Norwich, CT | 40,661 | 40% | 17.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Indian Trail, NC | 40,641 | 55% | 14.1% |
| Northglenn, CO | 40,627 | 31% | 34.4% |
| Roy, UT | 40,705 | 32% | 33.1% |
| Plant City, FL | 40,706 | 45% | 6.4% |
| Crystal Lake, IL | 40,724 | 46% | 3.9% |
| Norwich, CT | 40,661 | 40% | 17.7% |