| Index | Brewster | Washington | National |
| Average Test Scores | 41% | 54% | 48% |
| Student/Teacher ratio | 38:1 | 20:1 | 16:1 |
| Total public schools | 3 | 1,991 | 79,221 |
| Total private schools | 1 | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Brewster | Washington | National |
| Completed 8th grade | 52.5% | 87.5% | 84.3% |
| Completed high school | 48.0% | 86.6% | 83.0% |
| Completed some college | 32.8% | 67.7% | 59.4% |
| Completed associate degree | 18.2% | 43.3% | 38.5% |
| Completed bachelors | 15.7% | 33.6% | 30.3% |
| Completed masters | 4.3% | 12.3% | 11.5% |
| Completed professional degree | 0.5% | 3.6% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Brewster. Using the proficiency score averages, the average test scores for Brewster, WA schools is 41%. The average student to teacher ratio is 38:1. In Brewster, WA, an average of 52.5% of students have completed 8th grade and an average of 48.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Pateros, WA | 734 | 52% | 8.3% |
| Bridgeport, WA | 2,657 | 29% | 39.2% |
| Brewster, WA | 2,402 | 41% | 14.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Custer, SD | 2,402 | 50% | 3.1% |
| Somers, CT | 2,403 | 60% | 25.3% |
| Silver Creek, NY | 2,403 | 57% | 18.1% |
| Salmon Brook, CT | 2,401 | 71% | 47.4% |
| Woodbine, NJ | 2,403 | 35% | 28.1% |
| Brewster, WA | 2,402 | 41% | 14.9% |
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