| Index | Thomaston | Maine | National |
| Average Test Scores | 36% | 45% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 3 | 345 | 79,221 |
| Total private schools | n/a | 89 | 24,874 |
| Total post-secondary schools | n/a | 45 | 7,963 |
| Index | Thomaston | Maine | National |
| Completed 8th grade | 87.8% | 88.3% | 84.3% |
| Completed high school | 87.8% | 86.8% | 83.0% |
| Completed some college | 61.1% | 58.8% | 59.4% |
| Completed associate degree | 36.3% | 39.0% | 38.5% |
| Completed bachelors | 28.5% | 29.3% | 30.3% |
| Completed masters | 6.3% | 10.5% | 11.5% |
| Completed professional degree | 2.3% | 3.0% | 3.3% |
| Completed doctorate | 0.6% | 1.3% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Thomaston. Using the proficiency score averages, the average test scores for Thomaston, ME schools is 36%. The average student to teacher ratio is 13:1. In Thomaston, ME, an average of 87.8% of students have completed 8th grade and an average of 87.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Camden, ME | 3,543 | 59% | 22.9% |
| Rockland, ME | 7,172 | 37% | 22.9% |
| Waldoboro, ME | 1,371 | 36% | 25.0% |
| Thomaston, ME | 2,018 | 36% | 24.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Culver, OR | 2,019 | 46% | 5.2% |
| Ortonville, MN | 2,017 | 55% | 13.5% |
| Indian River, MI | 2,019 | 41% | 15.6% |
| Duchesne, UT | 2,019 | 41% | 15.6% |
| Glade Spring, VA | 2,019 | 89% | 84.9% |
| Thomaston, ME | 2,018 | 36% | 24.5% |
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