| 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 | 3,008 | 77% | 60.4% |
| Pawling, NY | 2,155 | 68% | 42.0% |
| Litchfield, CT | 1,327 | 67% | 39.4% |
| Bethlehem Village, CT | 1,852 | 62% | 29.2% |
| Dover Plains, NY | 1,087 | 59% | 22.9% |
| New Preston, CT | 880 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Armstrong, IA | 880 | 65% | 35.4% |
| Andover, NY | 880 | 40% | 17.7% |
| Hermitage, AR | 881 | 31% | 35.9% |
| Klawock, AK | 881 | 20% | 58.3% |
| Hollister, NC | 879 | 27% | 43.8% |
| New Preston, CT | 880 | n/a |