| Index | Rockdale | Illinois | National |
| Average Test Scores | 30% | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |

| Index | Rockdale | Illinois | National |
| Completed 8th grade | 78.6% | 86.2% | 84.3% |
| Completed high school | 75.3% | 84.7% | 83.0% |
| Completed some college | 45.3% | 61.8% | 59.4% |
| Completed associate degree | 18.0% | 40.7% | 38.5% |
| Completed bachelors | 11.6% | 32.9% | 30.3% |
| Completed masters | 4.0% | 12.7% | 11.5% |
| Completed professional degree | 0.0% | 3.4% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Rockdale. Using the proficiency score averages, the average test scores for Rockdale, IL schools is 30%. The average student to teacher ratio is n/a. In Rockdale, IL, an average of 78.6% of students have completed 8th grade and an average of 75.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Frankfort, IL | 19,886 | 56% | 16.3% |
| Homer Glen, IL | 25,242 | 55% | 14.6% |
| Manhattan, IL | 8,415 | 54% | 12.5% |
| Lemont, IL | 17,612 | 53% | 9.4% |
| New Lenox, IL | 27,687 | 51% | 6.4% |
| Rockdale, IL | 2,487 | 30% | 38.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Strafford, MO | 2,487 | 57% | 19.1% |
| Pottsboro, TX | 2,486 | 52% | 8.7% |
| Excelsior, MN | 2,486 | 80% | 67.4% |
| Belmond, IA | 2,488 | 59% | 22.9% |
| Ashford, AL | 2,485 | 41% | 14.1% |
| Rockdale, IL | 2,487 | 30% | 38.5% |