| Index | Plantsville | Connecticut | National |
| Average Test Scores | 70% | 53% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 654 | 79,221 |
| Total private schools | n/a | 207 | 24,874 |
| Total post-secondary schools | n/a | 81 | 7,963 |
| Index | Plantsville | Connecticut | National |
| Completed 8th grade | 92.4% | 88.0% | 84.3% |
| Completed high school | 92.4% | 86.9% | 83.0% |
| Completed some college | 59.6% | 62.9% | 59.4% |
| Completed associate degree | 42.5% | 45.5% | 38.5% |
| Completed bachelors | 33.6% | 38.0% | 30.3% |
| Completed masters | 14.4% | 16.8% | 11.5% |
| Completed professional degree | 3.6% | 4.6% | 3.3% |
| Completed doctorate | 1.1% | 1.7% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Plantsville. Using the proficiency score averages, the average test scores for Plantsville, CT schools is 70%. The average student to teacher ratio is n/a. In Plantsville, CT, an average of 92.4% of students have completed 8th grade and an average of 92.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cheshire Village, CT | 6,491 | 78% | 62.0% |
| Northwest Harwinton, CT | 2,897 | 77% | 60.4% |
| West Hartford, CT | 63,023 | 68% | 40.9% |
| Glastonbury Center, CT | 8,483 | 67% | 39.6% |
| North Haven, CT | 23,665 | 67% | 39.1% |
| Plantsville, CT | 1,923 | 70% | 44.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Dunkirk, IN | 1,923 | 47% | 2.1% |
| Albany, MO | 1,924 | 36% | 26.0% |
| Lepanto, AR | 1,922 | 47% | 2.6% |
| Claremont, NC | 1,924 | 40% | 17.5% |
| Los Molinos, CA | 1,924 | 41% | 15.3% |
| Plantsville, CT | 1,923 | 70% | 44.8% |
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