| Index | New Preston | Connecticut | National |
| Average Test Scores | n/a | 53% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 654 | 79,221 |
| Total private schools | 1 | 207 | 24,874 |
| Total post-secondary schools | n/a | 81 | 7,963 |
| Index | New Preston | Connecticut | National |
| Completed 8th grade | 100.0% | 88.0% | 84.3% |
| Completed high school | 100.0% | 86.9% | 83.0% |
| Completed some college | 85.5% | 62.9% | 59.4% |
| Completed associate degree | 64.3% | 45.5% | 38.5% |
| Completed bachelors | 53.0% | 38.0% | 30.3% |
| Completed masters | 24.7% | 16.8% | 11.5% |
| Completed professional degree | 4.1% | 4.6% | 3.3% |
| Completed doctorate | 1.4% | 1.7% | 1.3% |
There are a total of n/a public schools, 1 private schools and n/a post-secondary schools in New Preston. Using the proficiency score averages, the average test scores for New Preston, CT schools is n/a. The average student to teacher ratio is n/a. In New Preston, CT, an average of 100.0% of students have completed 8th grade and an average of 100.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Northwest Harwinton, CT | 2,897 | 77% | 60.4% |
| Pawling, NY | 2,105 | 68% | 42.0% |
| Litchfield, CT | 1,279 | 67% | 39.4% |
| Bethlehem Village, CT | 1,792 | 62% | 29.2% |
| Dover Plains, NY | 1,051 | 59% | 22.9% |
| New Preston, CT | 851 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Marion, MI | 851 | 47% | 2.1% |
| Deerfield, KS | 851 | 33% | 32.3% |
| Epps, LA | 851 | 50% | 3.1% |
| Lafitte, LA | 850 | 78% | 62.5% |
| Hankinson, ND | 850 | 45% | 7.3% |
| New Preston, CT | 851 | n/a |
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