| Index | California | Missouri | National |
| Average Test Scores | 51% | 44% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 3 | 1,899 | 79,221 |
| Total private schools | 1 | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | California | Missouri | National |
| Completed 8th grade | 84.7% | 86.0% | 84.3% |
| Completed high school | 81.7% | 84.2% | 83.0% |
| Completed some college | 43.3% | 57.7% | 59.4% |
| Completed associate degree | 26.6% | 35.2% | 38.5% |
| Completed bachelors | 22.0% | 27.6% | 30.3% |
| Completed masters | 4.6% | 10.4% | 11.5% |
| Completed professional degree | 1.6% | 2.8% | 3.3% |
| Completed doctorate | 0.4% | 1.2% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in California. Using the proficiency score averages, the average test scores for California, MO schools is 51%. The average student to teacher ratio is 14:1. In California, MO, an average of 84.7% of students have completed 8th grade and an average of 81.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Russellville, MO | 854 | 51% | 6.9% |
| Jamestown, MO | 392 | 51% | 6.3% |
| Clarksburg, MO | 289 | 45% | 6.3% |
| Versailles, MO | 3,098 | 43% | 10.4% |
| Bunceton, MO | 349 | 43% | 11.5% |
| California, MO | 4,585 | 51% | 5.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Windom, MN | 4,584 | 45% | 6.9% |
| Winnfield, LA | 4,586 | 66% | 36.5% |
| Armona, CA | 4,584 | 34% | 30.2% |
| Mount Vernon, IA | 4,587 | 82% | 71.5% |
| Fabens, TX | 4,587 | 47% | 2.1% |
| California, MO | 4,585 | 51% | 5.2% |
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