| 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 | 1,807 | 62% | 28.1% |
| Dieterich, IL | 726 | 53% | 10.9% |
| Beecher City, IL | 373 | 46% | 4.7% |
| Neoga, IL | 1,579 | 26% | 46.4% |
| Altamont, IL | 2,231 | 26% | 46.9% |
| Effingham, IL | 12,310 | 29% | 39.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Ottawa, KS | 12,308 | 27% | 42.9% |
| Gladstone, OR | 12,316 | 45% | 6.6% |
| Cambridge, MD | 12,300 | 24% | 49.4% |
| Speedway, IN | 12,327 | 62% | 29.5% |
| Belmont, NC | 12,292 | 51% | 6.1% |
| Effingham, IL | 12,310 | 29% | 39.6% |
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