| Index | Brooklyn | Iowa | National |
| Average Test Scores | 75% | 69% | 48% |
| Student/Teacher ratio | 12:1 | 13:1 | 16:1 |
| Total public schools | 2 | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Brooklyn | Iowa | National |
| Completed 8th grade | 88.4% | 89.2% | 84.3% |
| Completed high school | 86.2% | 87.7% | 83.0% |
| Completed some college | 43.7% | 59.8% | 59.4% |
| Completed associate degree | 26.6% | 38.4% | 38.5% |
| Completed bachelors | 17.7% | 27.2% | 30.3% |
| Completed masters | 7.6% | 8.7% | 11.5% |
| Completed professional degree | 4.1% | 2.7% | 3.3% |
| Completed doctorate | 0.4% | 1.1% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Brooklyn. Using the proficiency score averages, the average test scores for Brooklyn, IA schools is 75%. The average student to teacher ratio is 12:1. In Brooklyn, IA, an average of 88.4% of students have completed 8th grade and an average of 86.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Montezuma, IA | 1,490 | 80% | 66.0% |
| Grinnell, IA | 9,069 | 79% | 64.6% |
| Victor, IA | 974 | 73% | 52.6% |
| Belle Plaine, IA | 2,419 | 73% | 52.6% |
| Brooklyn, IA | 1,677 | 75% | 55.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Freedom, PA | 1,677 | 52% | 9.2% |
| Sandy Valley, NV | 1,678 | 33% | 30.7% |
| Patton, PA | 1,678 | 64% | 32.8% |
| Courtland, VA | 1,679 | 84% | 75.3% |
| Oakfield, NY | 1,679 | 58% | 19.8% |
| Brooklyn, IA | 1,677 | 75% | 55.2% |
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