| Index | St. Helena | California | National |
| Average Test Scores | 60% | 43% | 48% |
| Student/Teacher ratio | 17:1 | 20:1 | 16:1 |
| Total public schools | 5 | 8,308 | 79,221 |
| Total private schools | 5 | 3,438 | 24,874 |
| Total post-secondary schools | 1 | 1,085 | 7,963 |
| Index | St. Helena | California | National |
| Completed 8th grade | 86.0% | 81.1% | 84.3% |
| Completed high school | 85.7% | 79.8% | 83.0% |
| Completed some college | 71.3% | 61.5% | 59.4% |
| Completed associate degree | 55.4% | 39.8% | 38.5% |
| Completed bachelors | 49.1% | 32.0% | 30.3% |
| Completed masters | 17.1% | 11.9% | 11.5% |
| Completed professional degree | 6.7% | 3.9% | 3.3% |
| Completed doctorate | 2.0% | 1.6% | 1.3% |
There are a total of 5 public schools, 5 private schools and 1 post-secondary schools in St. Helena. Using the proficiency score averages, the average test scores for St. Helena, CA schools is 60%. The average student to teacher ratio is 17:1. In St. Helena, CA, an average of 86.0% of students have completed 8th grade and an average of 85.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kenwood, CA | 540 | 57% | 18.8% |
| Penngrove, CA | 2,368 | 57% | 18.8% |
| Angwin, CA | 3,415 | 55% | 14.6% |
| Yountville, CA | 3,001 | 50% | 4.2% |
| Rohnert Park, CA | 42,559 | 45% | 6.7% |
| St. Helena, CA | 6,049 | 60% | 24.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Silver Lakes, CA | 6,050 | 42% | 11.8% |
| Metropolis, IL | 6,053 | 42% | 12.5% |
| Willows, CA | 6,053 | 29% | 40.1% |
| Bensley, VA | 6,044 | 74% | 53.1% |
| Laurence Harbor, NJ | 6,041 | 70% | 44.8% |
| St. Helena, CA | 6,049 | 60% | 24.0% |
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