| Index | Shelton | Connecticut | National |
| Average Test Scores | 67% | 53% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 11 | 654 | 79,221 |
| Total private schools | 1 | 207 | 24,874 |
| Total post-secondary schools | 1 | 81 | 7,963 |
| Index | Shelton | Connecticut | National |
| Completed 8th grade | 91.8% | 88.0% | 84.3% |
| Completed high school | 91.2% | 86.9% | 83.0% |
| Completed some college | 65.0% | 62.9% | 59.4% |
| Completed associate degree | 48.4% | 45.5% | 38.5% |
| Completed bachelors | 40.2% | 38.0% | 30.3% |
| Completed masters | 16.7% | 16.8% | 11.5% |
| Completed professional degree | 4.1% | 4.6% | 3.3% |
| Completed doctorate | 1.6% | 1.7% | 1.3% |
There are a total of 11 public schools, 1 private schools and 1 post-secondary schools in Shelton. Using the proficiency score averages, the average test scores for Shelton, CT schools is 67%. The average student to teacher ratio is 15:1. In Shelton, CT, an average of 91.8% of students have completed 8th grade and an average of 91.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Westport, CT | 27,511 | 84% | 75.7% |
| Trumbull, CT | 36,477 | 79% | 64.0% |
| Cheshire Village, CT | 6,491 | 78% | 62.0% |
| Southport, CT | 1,710 | 77% | 60.4% |
| Orange, CT | 13,928 | 75% | 55.7% |
| Shelton, CT | 41,162 | 67% | 39.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Kearny, NJ | 41,190 | 41% | 13.7% |
| Moline, IL | 41,213 | 23% | 52.3% |
| Weslaco, TX | 41,103 | 46% | 4.0% |
| Findlay, OH | 41,098 | 62% | 29.3% |
| Greenacres, FL | 41,242 | 48% | 0.9% |
| Shelton, CT | 41,162 | 67% | 39.1% |
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