| Index | Eureka | South Dakota | National |
| Average Test Scores | 45% | 48% | 48% |
| Student/Teacher ratio | 11:1 | 14:1 | 16:1 |
| Total public schools | 3 | 340 | 79,221 |
| Total private schools | n/a | 76 | 24,874 |
| Total post-secondary schools | n/a | 25 | 7,963 |
| Index | Eureka | South Dakota | National |
| Completed 8th grade | 83.2% | 89.1% | 84.3% |
| Completed high school | 63.4% | 86.8% | 83.0% |
| Completed some college | 41.8% | 60.4% | 59.4% |
| Completed associate degree | 28.2% | 38.5% | 38.5% |
| Completed bachelors | 17.7% | 27.5% | 30.3% |
| Completed masters | 4.4% | 8.1% | 11.5% |
| Completed professional degree | 1.6% | 2.5% | 3.3% |
| Completed doctorate | 0.6% | 1.2% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Eureka. Using the proficiency score averages, the average test scores for Eureka, SD schools is 45%. The average student to teacher ratio is 11:1. In Eureka, SD, an average of 83.2% of students have completed 8th grade and an average of 63.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Zeeland, ND | 84 | 50% | 4.2% |
| Eureka, SD | 992 | 45% | 6.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Crivitz, WI | 992 | 43% | 11.1% |
| Beasley, TX | 992 | 42% | 12.5% |
| Mackinac Island, MI | 992 | 50% | 4.2% |
| Rossville, KS | 992 | 27% | 43.8% |
| Allardt, TN | 992 | 49% | 1.0% |
| Eureka, SD | 992 | 45% | 6.3% |
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