| Index | Eureka | Illinois | National |
| Average Test Scores | 50% | 33% | 48% |
| Student/Teacher ratio | 21:1 | 18:1 | 16:1 |
| Total public schools | 3 | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | 1 | 306 | 7,963 |


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| Index | Eureka | Illinois | National |
| Completed 8th grade | 93.9% | 86.2% | 84.3% |
| Completed high school | 92.2% | 84.7% | 83.0% |
| Completed some college | 66.9% | 61.8% | 59.4% |
| Completed associate degree | 48.6% | 40.7% | 38.5% |
| Completed bachelors | 39.4% | 32.9% | 30.3% |
| Completed masters | 13.0% | 12.7% | 11.5% |
| Completed professional degree | 2.6% | 3.4% | 3.3% |
| Completed doctorate | 2.6% | 1.2% | 1.3% |
There are a total of 3 public schools, n/a private schools and 1 post-secondary schools in Eureka. Using the proficiency score averages, the average test scores for Eureka, IL schools is 50%. The average student to teacher ratio is 21:1. In Eureka, IL, an average of 93.9% of students have completed 8th grade and an average of 92.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Germantown Hills, IL | 3,500 | 65% | 35.4% |
| Morton, IL | 16,134 | 56% | 17.3% |
| Goodfield, IL | 1,006 | 55% | 14.6% |
| Congerville, IL | 857 | 55% | 14.6% |
| Metamora, IL | 3,970 | 54% | 11.5% |
| Eureka, IL | 5,635 | 50% | 4.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Coraopolis, PA | 5,637 | 49% | 1.7% |
| Creswell, OR | 5,632 | 47% | 2.1% |
| Mena, AR | 5,638 | 49% | 1.6% |
| Old Bethpage, NY | 5,640 | 90% | 86.5% |
| Batesburg-Leesville, SC | 5,630 | 48% | = 100 |
| Eureka, IL | 5,635 | 50% | 4.2% |