| Index | Dexter | Maine | National |
| Average Test Scores | 29% | 45% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 4 | 345 | 79,221 |
| Total private schools | 1 | 89 | 24,874 |
| Total post-secondary schools | n/a | 45 | 7,963 |
| Index | Dexter | Maine | National |
| Completed 8th grade | 80.4% | 88.3% | 84.3% |
| Completed high school | 79.1% | 86.8% | 83.0% |
| Completed some college | 43.4% | 58.8% | 59.4% |
| Completed associate degree | 25.4% | 39.0% | 38.5% |
| Completed bachelors | 13.2% | 29.3% | 30.3% |
| Completed masters | 4.5% | 10.5% | 11.5% |
| Completed professional degree | 0.0% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.3% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Dexter. Using the proficiency score averages, the average test scores for Dexter, ME schools is 29%. The average student to teacher ratio is 14:1. In Dexter, ME, an average of 80.4% of students have completed 8th grade and an average of 79.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dover-Foxcroft, ME | 2,512 | 42% | 13.5% |
| Guilford, ME | 494 | 36% | 24.5% |
| Newport, ME | 1,911 | 31% | 35.8% |
| Hartland, ME | 531 | 26% | 46.9% |
| Dexter, ME | 1,981 | 29% | 40.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Santa Nella, CA | 1,981 | 27% | 43.8% |
| Allegany, NY | 1,981 | 56% | 16.7% |
| Cooper, TX | 1,981 | 46% | 3.8% |
| Shelter Island, NY | 1,980 | 45% | 7.3% |
| Maroa, IL | 1,982 | 40% | 17.2% |
| Dexter, ME | 1,981 | 29% | 40.6% |
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