| Index | Eureka | California | National |
| Average Test Scores | n/a | 10% | 48% |
| Student/Teacher ratio | 19:1 | 20:1 | 16:1 |
| Total public schools | 23 | 8,308 | 79,221 |
| Total private schools | 3 | 3,438 | 24,874 |
| Total post-secondary schools | 2 | 1,085 | 7,963 |
| Index | Eureka | California | National |
| Completed 8th grade | 84.2% | 81.1% | 84.3% |
| Completed high school | 83.2% | 79.8% | 83.0% |
| Completed some college | 61.9% | 61.5% | 59.4% |
| Completed associate degree | 34.5% | 39.8% | 38.5% |
| Completed bachelors | 25.7% | 32.0% | 30.3% |
| Completed masters | 7.9% | 11.9% | 11.5% |
| Completed professional degree | 2.8% | 3.9% | 3.3% |
| Completed doctorate | 0.9% | 1.6% | 1.3% |
There are a total of 23 public schools, 3 private schools and 2 post-secondary schools in Eureka. Using the proficiency score averages, the average test scores for Eureka, CA schools is n/a. The average student to teacher ratio is 19:1. In Eureka, CA, an average of 84.2% of students have completed 8th grade and an average of 83.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Eureka, CA | 27,002 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Watertown, NY | 26,997 | 45% | 6.2% |
| Garden City, MI | 27,009 | 38% | 21.8% |
| Easton, PA | 27,014 | 56% | 16.1% |
| Tualatin, OR | 27,024 | 57% | 18.5% |
| Garden City, KS | 26,916 | 28% | 41.3% |
| Eureka, CA | 27,002 | n/a |
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