| Index | Downers Grove | Illinois | National |
| Average Test Scores | 50% | 33% | 48% |
| Student/Teacher ratio | 18:1 | 18:1 | 16:1 |
| Total public schools | 17 | 3,938 | 79,221 |
| Total private schools | 11 | 1,438 | 24,874 |
| Total post-secondary schools | 3 | 306 | 7,963 |
| Index | Downers Grove | Illinois | National |
| Completed 8th grade | 95.6% | 86.2% | 84.3% |
| Completed high school | 95.1% | 84.7% | 83.0% |
| Completed some college | 79.6% | 61.8% | 59.4% |
| Completed associate degree | 60.4% | 40.7% | 38.5% |
| Completed bachelors | 53.3% | 32.9% | 30.3% |
| Completed masters | 21.8% | 12.7% | 11.5% |
| Completed professional degree | 5.5% | 3.4% | 3.3% |
| Completed doctorate | 2.1% | 1.2% | 1.3% |
There are a total of 17 public schools, 11 private schools and 3 post-secondary schools in Downers Grove. Using the proficiency score averages, the average test scores for Downers Grove, IL schools is 50%. The average student to teacher ratio is 18:1. In Downers Grove, IL, an average of 95.6% of students have completed 8th grade and an average of 95.1% 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% |
| Downers Grove, IL | 49,263 | 50% | 4.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Troy, NY | 49,253 | 47% | 1.7% |
| Harrisburg, PA | 49,247 | 41% | 15.0% |
| Portage, MI | 49,224 | 57% | 18.8% |
| Wilson, NC | 49,310 | 36% | 24.8% |
| Cuyahoga Falls, OH | 49,191 | 62% | 28.5% |
| Downers Grove, IL | 49,263 | 50% | 4.9% |
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