| Index | Clay City | Illinois | National |
| Average Test Scores | 26% | 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 | Clay City | Illinois | National |
| Completed 8th grade | 75.5% | 86.2% | 84.3% |
| Completed high school | 70.5% | 84.7% | 83.0% |
| Completed some college | 33.0% | 61.8% | 59.4% |
| Completed associate degree | 14.3% | 40.7% | 38.5% |
| Completed bachelors | 8.5% | 32.9% | 30.3% |
| Completed masters | 0.7% | 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 Clay City. Using the proficiency score averages, the average test scores for Clay City, IL schools is 26%. The average student to teacher ratio is n/a. In Clay City, IL, an average of 75.5% of students have completed 8th grade and an average of 70.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Johnsonville, IL | 50 | 50% | 4.2% |
| Mount Erie, IL | 114 | 40% | 16.7% |
| Olney, IL | 8,872 | 29% | 40.6% |
| Flora, IL | 4,686 | 28% | 41.7% |
| Cisne, IL | 505 | 27% | 43.2% |
| Clay City, IL | 896 | 26% | 45.1% |
| City | Population | Avg. Test Scores | National Avg. |
| South Webster, OH | 896 | 77% | 59.4% |
| Courtland, AL | 896 | 15% | 69.8% |
| Export, PA | 896 | 72% | 50.0% |
| Cankton, LA | 896 | 72% | 50.0% |
| Chateaugay, NY | 896 | 51% | 5.7% |
| Clay City, IL | 896 | 26% | 45.1% |
Here are the best places to live in Illinois
Check out the 10 safest cities in Illinois
Most Dangerous States In The US
See the best places to live in Clay City