| 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 | 8,377 | 79% | 64.6% |
| Clarendon Hills, IL | 9,104 | 77% | 59.4% |
| Hinsdale, IL | 17,817 | 74% | 54.7% |
| Western Springs, IL | 13,775 | 74% | 54.4% |
| Munster, IN | 23,103 | 70% | 46.0% |
| Oak Lawn, IL | 57,180 | 35% | 26.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Southaven, MS | 57,133 | 50% | 4.8% |
| Manhattan, KS | 57,133 | 44% | 8.0% |
| Kettering, OH | 57,103 | 80% | 65.7% |
| Lakewood, NJ | 57,098 | 28% | 41.3% |
| Apex, NC | 57,037 | 65% | 35.0% |
| Oak Lawn, IL | 57,180 | 35% | 26.4% |