| Index | Crestwood | Illinois | National |
| Average Test Scores | 25% | 33% | 48% |
| Student/Teacher ratio | 15:1 | 18:1 | 16:1 |
| Total public schools | 4 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Crestwood | Illinois | National |
| Completed 8th grade | 89.3% | 86.2% | 84.3% |
| Completed high school | 86.5% | 84.7% | 83.0% |
| Completed some college | 56.7% | 61.8% | 59.4% |
| Completed associate degree | 31.4% | 40.7% | 38.5% |
| Completed bachelors | 23.2% | 32.9% | 30.3% |
| Completed masters | 7.1% | 12.7% | 11.5% |
| Completed professional degree | 1.1% | 3.4% | 3.3% |
| Completed doctorate | 0.6% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Crestwood. Using the proficiency score averages, the average test scores for Crestwood, IL schools is 25%. The average student to teacher ratio is 15:1. In Crestwood, IL, an average of 89.3% of students have completed 8th grade and an average of 86.5% 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% |
| Munster, IN | 22,604 | 70% | 46.0% |
| Crestwood, IL | 10,762 | 25% | 47.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Little Ferry, NJ | 10,761 | 50% | 4.7% |
| Burr Ridge, IL | 10,761 | 53% | 11.2% |
| Taylorville, IL | 10,766 | 32% | 34.4% |
| Newport, OR | 10,767 | 43% | 10.9% |
| Fair Oaks Ranch, TX | 10,753 | 71% | 48.4% |
| Crestwood, IL | 10,762 | 25% | 47.6% |
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