| Index | Brookfield | Illinois | National |
| Average Test Scores | 43% | 33% | 48% |
| Student/Teacher ratio | 16:1 | 18:1 | 16:1 |
| Total public schools | 4 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Brookfield | Illinois | National |
| Completed 8th grade | 92.9% | 86.2% | 84.3% |
| Completed high school | 92.0% | 84.7% | 83.0% |
| Completed some college | 71.3% | 61.8% | 59.4% |
| Completed associate degree | 46.6% | 40.7% | 38.5% |
| Completed bachelors | 37.4% | 32.9% | 30.3% |
| Completed masters | 15.2% | 12.7% | 11.5% |
| Completed professional degree | 2.4% | 3.4% | 3.3% |
| Completed doctorate | 0.7% | 1.2% | 1.3% |
There are a total of 4 public schools, 2 private schools and n/a post-secondary schools in Brookfield. Using the proficiency score averages, the average test scores for Brookfield, IL schools is 43%. The average student to teacher ratio is 16:1. In Brookfield, IL, an average of 92.9% of students have completed 8th grade and an average of 92.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Oak Brook, IL | 8,085 | 79% | 64.6% |
| Clarendon Hills, IL | 8,834 | 77% | 59.4% |
| Hinsdale, IL | 17,366 | 74% | 54.7% |
| Western Springs, IL | 13,247 | 74% | 54.4% |
| River Forest, IL | 10,883 | 67% | 38.5% |
| Brookfield, IL | 18,520 | 43% | 9.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Winchester, KY | 18,520 | 53% | 10.7% |
| Concord, MO | 18,521 | 41% | 14.6% |
| Durant, OK | 18,516 | 40% | 17.5% |
| Milledgeville, GA | 18,526 | 24% | 50.0% |
| Terrell, TX | 18,513 | 34% | 28.6% |
| Brookfield, IL | 18,520 | 43% | 9.9% |
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