| Index | Oak Forest | Illinois | National |
| Average Test Scores | 35% | 33% | 48% |
| Student/Teacher ratio | 15:1 | 18:1 | 16:1 |
| Total public schools | 11 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | 2 | 306 | 7,963 |

| Index | Oak Forest | Illinois | National |
| Completed 8th grade | 89.7% | 86.2% | 84.3% |
| Completed high school | 88.7% | 84.7% | 83.0% |
| Completed some college | 60.0% | 61.8% | 59.4% |
| Completed associate degree | 35.9% | 40.7% | 38.5% |
| Completed bachelors | 26.8% | 32.9% | 30.3% |
| Completed masters | 8.8% | 12.7% | 11.5% |
| Completed professional degree | 2.4% | 3.4% | 3.3% |
| Completed doctorate | 0.9% | 1.2% | 1.3% |
There are a total of 11 public schools, 2 private schools and 2 post-secondary schools in Oak Forest. Using the proficiency score averages, the average test scores for Oak Forest, IL schools is 35%. The average student to teacher ratio is 15:1. In Oak Forest, IL, an average of 89.7% of students have completed 8th grade and an average of 88.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| 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% |
| Dyer, IN | 16,417 | 64% | 33.3% |
| Oak Forest, IL | 28,144 | 35% | 26.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Millville, NJ | 28,134 | 30% | 38.5% |
| Bergenfield, NJ | 28,186 | 63% | 30.7% |
| Gladstone, MO | 28,101 | 51% | 6.3% |
| Horn Lake, MS | 28,196 | 32% | 34.0% |
| Erie, CO | 28,201 | 54% | 11.6% |
| Oak Forest, IL | 28,144 | 35% | 26.2% |