| Index | Brewster Hill | 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 | Brewster Hill | New York | National |
| Completed 8th grade | 90.4% | 83.5% | 84.3% |
| Completed high school | 90.4% | 82.1% | 83.0% |
| Completed some college | 65.3% | 59.5% | 59.4% |
| Completed associate degree | 45.8% | 43.4% | 38.5% |
| Completed bachelors | 30.4% | 34.7% | 30.3% |
| Completed masters | 11.5% | 15.1% | 11.5% |
| Completed professional degree | 3.9% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Brewster Hill. Using the proficiency score averages, the average test scores for Brewster Hill, NY schools is n/a. The average student to teacher ratio is n/a. In Brewster Hill, NY, an average of 90.4% of students have completed 8th grade and an average of 90.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Carmel Hamlet, NY | 6,470 | 99% | 105.2% |
| Lincolndale, NY | 1,436 | 99% | 105.2% |
| Shrub Oak, NY | 3,164 | 97% | 102.1% |
| Ridgefield, CT | 7,492 | 83% | 73.5% |
| Katonah, NY | 1,742 | 75% | 55.2% |
| Brewster Hill, NY | 2,625 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Petersburg, IL | 2,626 | 32% | 33.9% |
| Cave City, KY | 2,626 | 27% | 43.8% |
| Keeseville, NY | 2,624 | 47% | 2.1% |
| Postville, IA | 2,624 | 44% | 9.4% |
| Luxemburg, WI | 2,623 | 50% | 3.1% |
| Brewster Hill, NY | 2,625 | n/a |