| Index | Brook | Indiana | National |
| Average Test Scores | n/a | 46% | 48% |
| Student/Teacher ratio | n/a | 22:1 | 16:1 |
| Total public schools | n/a | 1,755 | 79,221 |
| Total private schools | n/a | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |
| Index | Brook | Indiana | National |
| Completed 8th grade | 75.1% | 84.6% | 84.3% |
| Completed high school | 72.1% | 82.9% | 83.0% |
| Completed some college | 27.9% | 53.8% | 59.4% |
| Completed associate degree | 11.8% | 33.0% | 38.5% |
| Completed bachelors | 7.8% | 24.6% | 30.3% |
| Completed masters | 1.4% | 8.9% | 11.5% |
| Completed professional degree | 0.1% | 2.4% | 3.3% |
| Completed doctorate | 0.0% | 1.0% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Brook. Using the proficiency score averages, the average test scores for Brook, IN schools is n/a. The average student to teacher ratio is n/a. In Brook, IN, an average of 75.1% of students have completed 8th grade and an average of 72.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kentland, IN | 1,809 | 50% | 4.2% |
| Rensselaer, IN | 6,151 | 46% | 4.5% |
| Morocco, IN | 1,097 | 45% | 7.3% |
| Donovan, IL | 272 | 35% | 27.8% |
| Hopkins Park, IL | 591 | 12% | 75.0% |
| Brook, IN | 1,000 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Adams Center, NY | 1,000 | 50% | 4.2% |
| New Washington, OH | 1,000 | 79% | 64.2% |
| Whitehall, MT | 1,000 | 49% | 1.7% |
| Paw Paw, IL | 999 | 18% | 63.5% |
| Odin, IL | 999 | 34% | 30.2% |
| Brook, IN | 1,000 | n/a |
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