| Index | Westchester | Illinois | National |
| Average Test Scores | 33% | 33% | 48% |
| Student/Teacher ratio | 15:1 | 18:1 | 16:1 |
| Total public schools | 3 | 3,938 | 79,221 |
| Total private schools | 5 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Westchester | Illinois | National |
| Completed 8th grade | 92.6% | 86.2% | 84.3% |
| Completed high school | 91.3% | 84.7% | 83.0% |
| Completed some college | 69.0% | 61.8% | 59.4% |
| Completed associate degree | 46.1% | 40.7% | 38.5% |
| Completed bachelors | 38.0% | 32.9% | 30.3% |
| Completed masters | 15.3% | 12.7% | 11.5% |
| Completed professional degree | 3.0% | 3.4% | 3.3% |
| Completed doctorate | 0.9% | 1.2% | 1.3% |
There are a total of 3 public schools, 5 private schools and n/a post-secondary schools in Westchester. Using the proficiency score averages, the average test scores for Westchester, IL schools is 33%. The average student to teacher ratio is 15:1. In Westchester, IL, an average of 92.6% of students have completed 8th grade and an average of 91.3% 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% |
| Westchester, IL | 16,255 | 33% | 31.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Shelbyville, KY | 16,244 | 38% | 20.4% |
| Fort Carson, CO | 16,243 | 40% | 16.4% |
| Port Washington, NY | 16,232 | 71% | 47.6% |
| Brunswick, GA | 16,231 | 42% | 11.9% |
| Stuart, FL | 16,279 | 53% | 10.6% |
| Westchester, IL | 16,255 | 33% | 31.3% |
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