| Index | Napa | California | National |
| Average Test Scores | 40% | 43% | 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 40%. 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. |
| St. Helena, CA | 6,049 | 60% | 24.0% |
| Kenwood, CA | 540 | 57% | 18.8% |
| Yountville, CA | 3,001 | 50% | 4.2% |
| Novato, CA | 53,781 | 49% | 2.5% |
| American Canyon, CA | 20,256 | 49% | 1.9% |
| Napa, CA | 78,294 | 40% | 16.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Boynton Beach, FL | 78,060 | 56% | 17.3% |
| Parma, OH | 78,623 | 64% | 32.7% |
| Pharr, TX | 78,689 | 52% | 8.2% |
| Lake Charles, LA | 77,832 | 66% | 36.5% |
| Flower Mound, TX | 78,854 | 73% | 52.8% |
| Napa, CA | 78,294 | 40% | 16.1% |
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