| Index | Millville | California | National |
| Average Test Scores | 72% | 43% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 8,308 | 79,221 |
| Total private schools | n/a | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |
| Index | Millville | California | National |
| Completed 8th grade | 91.7% | 81.1% | 84.3% |
| Completed high school | 91.7% | 79.8% | 83.0% |
| Completed some college | 82.7% | 61.5% | 59.4% |
| Completed associate degree | 45.1% | 39.8% | 38.5% |
| Completed bachelors | 30.8% | 32.0% | 30.3% |
| Completed masters | 13.5% | 11.9% | 11.5% |
| Completed professional degree | 4.9% | 3.9% | 3.3% |
| Completed doctorate | 1.7% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Millville. Using the proficiency score averages, the average test scores for Millville, CA schools is 72%. The average student to teacher ratio is n/a. In Millville, CA, an average of 91.7% of students have completed 8th grade and an average of 91.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Palo Cedro, CA | 2,893 | 56% | 16.1% |
| Bella Vista, CA | 3,320 | 48% | = 100 |
| Cottonwood, CA | 5,435 | 46% | 3.5% |
| Redding, CA | 92,025 | 39% | 18.6% |
| Anderson, CA | 10,479 | 37% | 22.8% |
| Millville, CA | 879 | 72% | 50.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Dayton, WY | 879 | 55% | 13.5% |
| Lyons, IN | 880 | 50% | 4.2% |
| Penryn, CA | 878 | 67% | 39.6% |
| Trezevant, TN | 878 | 31% | 36.5% |
| Edon, OH | 878 | 77% | 60.4% |
| Millville, CA | 879 | 72% | 50.0% |
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