| 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 | 5,045 | 92% | 91.7% |
| Cedarhurst, NY | 6,642 | 91% | 89.6% |
| Old Westbury, NY | 4,618 | 91% | 88.5% |
| Jericho, NY | 13,928 | 90% | 87.1% |
| Old Bethpage, NY | 5,450 | 90% | 86.5% |
| Thomaston, NY | 2,602 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Christopher, IL | 2,601 | 24% | 50.5% |
| Salina, UT | 2,603 | 44% | 9.4% |
| White Salmon, WA | 2,601 | 52% | 7.8% |
| Rainier, WA | 2,603 | 55% | 13.9% |
| Okolona, MS | 2,601 | 30% | 38.2% |
| Thomaston, NY | 2,602 | n/a |
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