| Index | Brooklyn | Iowa | National |
| Average Test Scores | 85% | 78% | 49% |
| 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 85%. 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, State | Population | Avg. Test Scores | National Avg. |
| Grinnell, IA | 9,112 | 85% | 73% |
| Victor, IA | 1,026 | 80% | 62% |
| Montezuma, IA | 1,591 | 76% | 55% |
| Belle Plaine, IA | 2,562 | 76% | 54% |
| Brooklyn, IA | 1,422 | 85% | 72% |
| City, State | Population | Avg. Test Scores | National Avg. |
| Salome, AZ | 1,422 | 22% | 55% |
| Cherryville, PA | 1,422 | 61% | 23% |
| Brodhead, KY | 1,422 | 57% | 16% |
| Glidden, IA | 1,422 | 83% | 69% |
| Harwich Center, MA | 1,423 | 57% | 15% |
| Brooklyn, IA | 1,422 | 85% | 72% |
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