| Index | Clearing | Chicago | Illinois |
| Average Test Scores | 32% | 22% | 33% |
| Student/Teacher ratio | n/a | 21:1 | 18:1 |
| Total public schools | n/a | 644 | 3,938 |
| Total private schools | n/a | 387 | 1,438 |
| Total post-secondary schools | n/a | 104 | 306 |
| Index | Clearing | Chicago | Illinois |
| Completed 8th grade | 83.2% | 82.2% | 86.2% |
| Completed high school | 80.6% | 80.3% | 84.7% |
| Completed some college | 45.5% | 60.1% | 61.8% |
| Completed associate degree | 24.7% | 42.2% | 40.7% |
| Completed bachelors | 17.2% | 36.5% | 32.9% |
| Completed masters | 5.0% | 14.8% | 12.7% |
| Completed professional degree | 0.5% | 4.5% | 3.4% |
| Completed doctorate | 0.2% | 1.5% | 1.2% |
| 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% |
| Chicago, IL | 2,699,347 | 22% | 54.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Houston, TX | 2,313,238 | 43% | 10.9% |
| Phoenix, AZ | 1,658,422 | 39% | 18.6% |
| Philadelphia, PA | 1,581,531 | 29% | 38.7% |
| San Antonio, TX | 1,529,133 | 42% | 13.1% |
| Los Angeles, CA | 3,973,278 | 38% | 21.1% |
| Chicago, IL | 2,699,347 | 22% | 54.1% |
Here are the best places to live in Illinois
Most Dangerous Cities In The US
Check out the 10 most dangerous cities in Illinois
These are the largest cities in Illinois