| Index | Newtown | Connecticut | National |
| Average Test Scores | 71% | 53% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 7 | 654 | 79,221 |
| Total private schools | 3 | 207 | 24,874 |
| Total post-secondary schools | n/a | 81 | 7,963 |
| Index | Newtown | Connecticut | National |
| Completed 8th grade | 95.3% | 88.0% | 84.3% |
| Completed high school | 94.3% | 86.9% | 83.0% |
| Completed some college | 82.0% | 62.9% | 59.4% |
| Completed associate degree | 68.2% | 45.5% | 38.5% |
| Completed bachelors | 63.2% | 38.0% | 30.3% |
| Completed masters | 30.9% | 16.8% | 11.5% |
| Completed professional degree | 10.0% | 4.6% | 3.3% |
| Completed doctorate | 2.2% | 1.7% | 1.3% |
There are a total of 7 public schools, 3 private schools and n/a post-secondary schools in Newtown. Using the proficiency score averages, the average test scores for Newtown, CT schools is 71%. The average student to teacher ratio is 13:1. In Newtown, CT, an average of 95.3% of students have completed 8th grade and an average of 94.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Ridgefield, CT | 7,228 | 83% | 73.5% |
| Trumbull, CT | 36,477 | 79% | 64.0% |
| Orange, CT | 13,928 | 75% | 55.7% |
| Pawling, NY | 2,105 | 68% | 42.0% |
| Shelton, CT | 41,162 | 67% | 39.1% |
| Newtown, CT | 1,921 | 71% | 48.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Wellsville, KS | 1,921 | 35% | 27.8% |
| Mechanicsburg, OH | 1,921 | 74% | 54.2% |
| Emerson, GA | 1,921 | 36% | 25.0% |
| New Athens, IL | 1,920 | 40% | 17.4% |
| Lepanto, AR | 1,922 | 47% | 2.6% |
| Newtown, CT | 1,921 | 71% | 48.8% |
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