| Index | Brewster | Kansas | National |
| Average Test Scores | 38% | 35% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 970 | 79,221 |
| Total private schools | n/a | 190 | 24,874 |
| Total post-secondary schools | n/a | 86 | 7,963 |

| Index | Brewster | Kansas | National |
| Completed 8th grade | 88.7% | 87.4% | 84.3% |
| Completed high school | 87.7% | 86.1% | 83.0% |
| Completed some college | 68.6% | 63.7% | 59.4% |
| Completed associate degree | 30.9% | 39.8% | 38.5% |
| Completed bachelors | 25.5% | 31.6% | 30.3% |
| Completed masters | 9.3% | 11.4% | 11.5% |
| Completed professional degree | 2.9% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Brewster. Using the proficiency score averages, the average test scores for Brewster, KS schools is 38%. The average student to teacher ratio is n/a. In Brewster, KS, an average of 88.7% of students have completed 8th grade and an average of 87.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Brewster, KS | 377 | 38% | 21.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Tetonia, ID | 377 | 50% | 4.2% |
| Clarksburg, CA | 377 | 44% | 9.0% |
| La Valle, WI | 377 | 50% | 4.2% |
| Ramer, TN | 377 | 40% | 16.7% |
| Sugar Grove, OH | 377 | 68% | 40.6% |
| Brewster, KS | 377 | 38% | 21.9% |