| Index | Effingham | Illinois | National |
| Average Test Scores | 29% | 33% | 48% |
| Student/Teacher ratio | 17:1 | 18:1 | 16:1 |
| Total public schools | 10 | 3,938 | 79,221 |
| Total private schools | 3 | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |

| Index | Effingham | Illinois | National |
| Completed 8th grade | 87.8% | 86.2% | 84.3% |
| Completed high school | 84.4% | 84.7% | 83.0% |
| Completed some college | 55.0% | 61.8% | 59.4% |
| Completed associate degree | 36.8% | 40.7% | 38.5% |
| Completed bachelors | 24.2% | 32.9% | 30.3% |
| Completed masters | 6.0% | 12.7% | 11.5% |
| Completed professional degree | 1.3% | 3.4% | 3.3% |
| Completed doctorate | 0.5% | 1.2% | 1.3% |
There are a total of 10 public schools, 3 private schools and n/a post-secondary schools in Effingham. Using the proficiency score averages, the average test scores for Effingham, IL schools is 29%. The average student to teacher ratio is 17:1. In Effingham, IL, an average of 87.8% of students have completed 8th grade and an average of 84.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Teutopolis, IL | 1,878 | 62% | 28.1% |
| Dieterich, IL | 755 | 53% | 10.9% |
| Beecher City, IL | 385 | 46% | 4.7% |
| Neoga, IL | 1,633 | 26% | 46.4% |
| Altamont, IL | 2,313 | 26% | 46.9% |
| Effingham, IL | 12,644 | 29% | 39.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Ringwood, NJ | 12,642 | 69% | 44.0% |
| Cottonwood, AZ | 12,640 | 43% | 9.8% |
| Lake City, FL | 12,638 | 59% | 22.6% |
| Patchogue, NY | 12,654 | 20% | 57.4% |
| New Kensington, PA | 12,633 | 40% | 17.7% |
| Effingham, IL | 12,644 | 29% | 39.6% |