| Index | Romeoville | Illinois | National |
| Average Test Scores | 36% | 33% | 48% |
| Student/Teacher ratio | 22:1 | 18:1 | 16:1 |
| Total public schools | 9 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | 1 | 306 | 7,963 |


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| Index | Romeoville | Illinois | National |
| Completed 8th grade | 82.1% | 86.2% | 84.3% |
| Completed high school | 81.0% | 84.7% | 83.0% |
| Completed some college | 59.8% | 61.8% | 59.4% |
| Completed associate degree | 33.9% | 40.7% | 38.5% |
| Completed bachelors | 26.0% | 32.9% | 30.3% |
| Completed masters | 5.9% | 12.7% | 11.5% |
| Completed professional degree | 1.0% | 3.4% | 3.3% |
| Completed doctorate | 0.3% | 1.2% | 1.3% |
There are a total of 9 public schools, 2 private schools and 1 post-secondary schools in Romeoville. Using the proficiency score averages, the average test scores for Romeoville, IL schools is 36%. The average student to teacher ratio is 22:1. In Romeoville, IL, an average of 82.1% of students have completed 8th grade and an average of 81.0% 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% |
| Riverside, IL | 9,044 | 65% | 35.2% |
| Romeoville, IL | 41,178 | 36% | 24.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Quincy, IL | 41,163 | 28% | 41.8% |
| Calexico, CA | 41,129 | 26% | 46.2% |
| La Puente, CA | 41,123 | 38% | 21.8% |
| Valrico, FL | 41,251 | 67% | 39.6% |
| Marion, IA | 41,096 | 77% | 59.8% |
| Romeoville, IL | 41,178 | 36% | 24.1% |