| Index | Oak Lawn | Illinois | National |
| Average Test Scores | 35% | 33% | 48% |
| Student/Teacher ratio | 17:1 | 18:1 | 16:1 |
| Total public schools | 13 | 3,938 | 79,221 |
| Total private schools | 12 | 1,438 | 24,874 |
| Total post-secondary schools | 2 | 306 | 7,963 |
| Index | Oak Lawn | Illinois | National |
| Completed 8th grade | 88.7% | 86.2% | 84.3% |
| Completed high school | 88.0% | 84.7% | 83.0% |
| Completed some college | 59.5% | 61.8% | 59.4% |
| Completed associate degree | 36.8% | 40.7% | 38.5% |
| Completed bachelors | 27.2% | 32.9% | 30.3% |
| Completed masters | 9.4% | 12.7% | 11.5% |
| Completed professional degree | 2.2% | 3.4% | 3.3% |
| Completed doctorate | 0.6% | 1.2% | 1.3% |
There are a total of 13 public schools, 12 private schools and 2 post-secondary schools in Oak Lawn. Using the proficiency score averages, the average test scores for Oak Lawn, IL schools is 35%. The average student to teacher ratio is 17:1. In Oak Lawn, IL, an average of 88.7% of students have completed 8th grade and an average of 88.0% 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% |
| Munster, IN | 22,604 | 70% | 46.0% |
| Oak Lawn, IL | 55,432 | 35% | 26.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Blue Springs, MO | 55,415 | 66% | 37.8% |
| Parker, CO | 55,460 | 52% | 8.0% |
| Lake Havasu City, AZ | 55,463 | 53% | 10.8% |
| Hacienda Heights, CA | 55,386 | 50% | 4.0% |
| Highland, CA | 55,339 | 37% | 23.9% |
| Oak Lawn, IL | 55,432 | 35% | 26.4% |
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