| Index | Eureka | California | National |
| Average Test Scores | 39% | 43% | 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 |
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| 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 39%. 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. |
| Arcata, CA | 18,799 | 55% | 14.3% |
| Manila, CA | 790 | 50% | 3.1% |
| Blue Lake, CA | 969 | 44% | 9.4% |
| McKinleyville, CA | 16,979 | 39% | 19.0% |
| Fortuna, CA | 12,532 | 37% | 23.6% |
| Eureka, CA | 27,853 | 39% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Statesville, NC | 27,848 | 42% | 12.6% |
| Elmira, NY | 27,860 | 30% | 36.9% |
| Wilmette, IL | 27,840 | 66% | 37.2% |
| Mason City, IA | 27,815 | 54% | 12.9% |
| Marshalltown, IA | 27,894 | 58% | 20.7% |
| Eureka, CA | 27,853 | 39% | 18.8% |
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