| Index | Coal City | Illinois | National |
| Average Test Scores | 49% | 33% | 48% |
| Student/Teacher ratio | 21:1 | 18:1 | 16:1 |
| Total public schools | 4 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |


Why stop at city-to-city? With Local Insights, you can compare neighborhoods, zip codes, or even exact addresses. Access 300+ hyperlocal data points—from schools and crime to housing and amenities—to see which area is the better fit.
| Index | Coal City | Illinois | National |
| Completed 8th grade | 91.5% | 86.2% | 84.3% |
| Completed high school | 91.5% | 84.7% | 83.0% |
| Completed some college | 54.4% | 61.8% | 59.4% |
| Completed associate degree | 26.4% | 40.7% | 38.5% |
| Completed bachelors | 17.2% | 32.9% | 30.3% |
| Completed masters | 7.0% | 12.7% | 11.5% |
| Completed professional degree | 0.9% | 3.4% | 3.3% |
| Completed doctorate | 0.2% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Coal City. Using the proficiency score averages, the average test scores for Coal City, IL schools is 49%. The average student to teacher ratio is 21:1. In Coal City, IL, an average of 91.5% of students have completed 8th grade and an average of 91.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Elwood, IL | 2,524 | 51% | 5.2% |
| Channahon, IL | 13,281 | 48% | 0.7% |
| South Wilmington, IL | 702 | 45% | 6.3% |
| Wilmington, IL | 5,883 | 42% | 12.2% |
| Morris, IL | 14,420 | 42% | 12.5% |
| Coal City, IL | 4,941 | 49% | 1.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Jackson, LA | 4,941 | 62% | 29.7% |
| Sparta, TN | 4,942 | 35% | 28.1% |
| Raeford, NC | 4,943 | 40% | 16.5% |
| Bridgeville, PA | 4,939 | 65% | 34.9% |
| Clementon, NJ | 4,939 | 51% | 5.2% |
| Coal City, IL | 4,941 | 49% | 1.3% |