| 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 |
| 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 | 3,421 | 65% | 35.4% |
| Morton, IL | 15,791 | 56% | 17.3% |
| Goodfield, IL | 977 | 55% | 14.6% |
| Congerville, IL | 840 | 55% | 14.6% |
| Metamora, IL | 3,840 | 54% | 11.5% |
| Eureka, IL | 5,485 | 50% | 4.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Anamosa, IA | 5,484 | 64% | 33.7% |
| Glencoe, MN | 5,488 | 54% | 12.5% |
| Chadron, NE | 5,482 | 57% | 19.5% |
| Somerdale, NJ | 5,479 | 35% | 28.1% |
| New Holland, PA | 5,479 | 62% | 28.1% |
| Eureka, IL | 5,485 | 50% | 4.2% |
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