| Index | Thomaston | New York | National |
| Average Test Scores | n/a | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Thomaston | New York | National |
| Completed 8th grade | 95.9% | 83.5% | 84.3% |
| Completed high school | 95.9% | 82.1% | 83.0% |
| Completed some college | 83.1% | 59.5% | 59.4% |
| Completed associate degree | 74.6% | 43.4% | 38.5% |
| Completed bachelors | 71.3% | 34.7% | 30.3% |
| Completed masters | 44.1% | 15.1% | 11.5% |
| Completed professional degree | 19.3% | 4.2% | 3.3% |
| Completed doctorate | 6.8% | 1.5% | 1.3% |
There are a total of n/a 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, NY schools is n/a. The average student to teacher ratio is n/a. In Thomaston, NY, an average of 95.9% of students have completed 8th grade and an average of 95.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sea Cliff, NY | 5,212 | 92% | 91.7% |
| Cedarhurst, NY | 6,786 | 91% | 89.6% |
| Old Westbury, NY | 4,784 | 91% | 88.5% |
| Jericho, NY | 14,448 | 90% | 87.1% |
| Old Bethpage, NY | 5,640 | 90% | 86.5% |
| Thomaston, NY | 2,680 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Lincoln, ME | 2,680 | 33% | 32.3% |
| Pearl River, LA | 2,680 | 72% | 50.3% |
| Barnesville, MN | 2,681 | 75% | 56.3% |
| Westmoreland, TN | 2,679 | 45% | 5.7% |
| Okanogan, WA | 2,682 | 47% | 2.3% |
| Thomaston, NY | 2,680 | n/a |
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