| Index | Maryville | Illinois | National |
| Average Test Scores | 65% | 33% | 48% |
| Student/Teacher ratio | 19:1 | 18:1 | 16:1 |
| Total public schools | 1 | 3,938 | 79,221 |
| Total private schools | 2 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Maryville | Illinois | National |
| Completed 8th grade | 95.9% | 86.2% | 84.3% |
| Completed high school | 95.2% | 84.7% | 83.0% |
| Completed some college | 72.5% | 61.8% | 59.4% |
| Completed associate degree | 51.2% | 40.7% | 38.5% |
| Completed bachelors | 42.3% | 32.9% | 30.3% |
| Completed masters | 16.0% | 12.7% | 11.5% |
| Completed professional degree | 3.1% | 3.4% | 3.3% |
| Completed doctorate | 2.3% | 1.2% | 1.3% |
There are a total of 1 public schools, 2 private schools and n/a post-secondary schools in Maryville. Using the proficiency score averages, the average test scores for Maryville, IL schools is 65%. The average student to teacher ratio is 19:1. In Maryville, IL, an average of 95.9% of students have completed 8th grade and an average of 95.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| St. Jacob, IL | 1,529 | 67% | 39.6% |
| Glen Carbon, IL | 12,468 | 57% | 18.8% |
| Worden, IL | 875 | 57% | 18.8% |
| Alhambra, IL | 676 | 55% | 14.6% |
| Marine, IL | 994 | 55% | 13.5% |
| Maryville, IL | 7,962 | 65% | 34.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Wendell, NC | 7,962 | 35% | 26.5% |
| Templeton, CA | 7,965 | 49% | 2.1% |
| Selah, WA | 7,957 | 46% | 4.6% |
| Hastings-on-Hudson, NY | 7,969 | 69% | 43.8% |
| Caldwell, NJ | 7,970 | 64% | 32.3% |
| Maryville, IL | 7,962 | 65% | 34.4% |
Here are the best places to live in Illinois
Check out the 10 safest cities in Illinois
These are the largest cities in Illinois
Check out the 10 most dangerous cities in Illinois