| Index | Napa | California | National |
| Average Test Scores | n/a | 10% | 48% |
| Student/Teacher ratio | 18:1 | 20:1 | 16:1 |
| Total public schools | 37 | 8,308 | 79,221 |
| Total private schools | 22 | 3,438 | 24,874 |
| Total post-secondary schools | 2 | 1,085 | 7,963 |
| Index | Napa | California | National |
| Completed 8th grade | 81.5% | 81.1% | 84.3% |
| Completed high school | 79.9% | 79.8% | 83.0% |
| Completed some college | 62.2% | 61.5% | 59.4% |
| Completed associate degree | 39.0% | 39.8% | 38.5% |
| Completed bachelors | 30.0% | 32.0% | 30.3% |
| Completed masters | 10.3% | 11.9% | 11.5% |
| Completed professional degree | 3.7% | 3.9% | 3.3% |
| Completed doctorate | 1.4% | 1.6% | 1.3% |
There are a total of 37 public schools, 22 private schools and 2 post-secondary schools in Napa. Using the proficiency score averages, the average test scores for Napa, CA schools is n/a. The average student to teacher ratio is 18:1. In Napa, CA, an average of 81.5% of students have completed 8th grade and an average of 79.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Napa, CA | 79,567 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Somerville, MA | 79,507 | 45% | 6.6% |
| Lawrence, MA | 79,337 | 37% | 23.0% |
| New Rochelle, NY | 79,299 | 55% | 15.0% |
| Parma, OH | 80,088 | 64% | 32.3% |
| Melbourne, FL | 78,911 | 60% | 24.6% |
| Napa, CA | 79,567 | n/a |
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