| Index | Brewster | Massachusetts | National |
| Average Test Scores | 62% | 52% | 48% |
| Student/Teacher ratio | 9:1 | 14:1 | 16:1 |
| Total public schools | 2 | 1,167 | 79,221 |
| Total private schools | 2 | 508 | 24,874 |
| Total post-secondary schools | n/a | 193 | 7,963 |
| Index | Brewster | Massachusetts | National |
| Completed 8th grade | 96.7% | 88.3% | 84.3% |
| Completed high school | 96.7% | 87.2% | 83.0% |
| Completed some college | 85.8% | 65.0% | 59.4% |
| Completed associate degree | 70.8% | 49.0% | 38.5% |
| Completed bachelors | 62.5% | 41.2% | 30.3% |
| Completed masters | 19.2% | 18.2% | 11.5% |
| Completed professional degree | 3.9% | 5.4% | 3.3% |
| Completed doctorate | 2.0% | 2.6% | 1.3% |
There are a total of 2 public schools, 2 private schools and n/a post-secondary schools in Brewster. Using the proficiency score averages, the average test scores for Brewster, MA schools is 62%. The average student to teacher ratio is 9:1. In Brewster, MA, an average of 96.7% of students have completed 8th grade and an average of 96.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| North Eastham, MA | 1,741 | 76% | 57.3% |
| Orleans, MA | 1,519 | 65% | 35.4% |
| Harwich Center, MA | 1,383 | 55% | 13.5% |
| Barnstable Town, MA | 44,497 | 54% | 13.3% |
| Chatham, MA | 1,550 | 53% | 10.4% |
| Brewster, MA | 1,347 | 62% | 29.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Colchester, IL | 1,347 | 26% | 46.4% |
| La Crosse, KS | 1,347 | 32% | 34.4% |
| Three Oaks, MI | 1,347 | 45% | 7.3% |
| Ardmore, AL | 1,347 | 48% | = 100 |
| Penhook, VA | 1,347 | 87% | 81.3% |
| Brewster, MA | 1,347 | 62% | 29.2% |
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