| Index | Glen Carbon | Illinois | National |
| Average Test Scores | 57% | 33% | 48% |
| Student/Teacher ratio | 14:1 | 18:1 | 16:1 |
| Total public schools | 1 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Glen Carbon | Illinois | National |
| Completed 8th grade | 96.0% | 86.2% | 84.3% |
| Completed high school | 94.8% | 84.7% | 83.0% |
| Completed some college | 80.3% | 61.8% | 59.4% |
| Completed associate degree | 62.7% | 40.7% | 38.5% |
| Completed bachelors | 52.1% | 32.9% | 30.3% |
| Completed masters | 20.6% | 12.7% | 11.5% |
| Completed professional degree | 6.7% | 3.4% | 3.3% |
| Completed doctorate | 3.9% | 1.2% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Glen Carbon. Using the proficiency score averages, the average test scores for Glen Carbon, IL schools is 57%. The average student to teacher ratio is 14:1. In Glen Carbon, IL, an average of 96.0% of students have completed 8th grade and an average of 94.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| St. Jacob, IL | 1,529 | 67% | 39.6% |
| Maryville, IL | 7,962 | 65% | 34.4% |
| Worden, IL | 875 | 57% | 18.8% |
| Alhambra, IL | 676 | 55% | 14.6% |
| Marine, IL | 994 | 55% | 13.5% |
| Glen Carbon, IL | 12,468 | 57% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Marysville, CA | 12,467 | 35% | 27.4% |
| Choctaw, OK | 12,467 | 45% | 5.4% |
| Bonita, CA | 12,470 | 55% | 14.9% |
| Boone, IA | 12,470 | 66% | 37.8% |
| Mountain Home, AR | 12,463 | 50% | 4.4% |
| Glen Carbon, IL | 12,468 | 57% | 18.8% |
Here are the best places to live in Illinois
See the best places to live in Glen Carbon
Safest Cities In The US
These are the 10 cheapest cities in Illinois