| Index | Penngrove | California | National |
| Average Test Scores | 57% | 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 | Penngrove | California | National |
| Completed 8th grade | 88.2% | 81.1% | 84.3% |
| Completed high school | 88.2% | 79.8% | 83.0% |
| Completed some college | 73.8% | 61.5% | 59.4% |
| Completed associate degree | 54.3% | 39.8% | 38.5% |
| Completed bachelors | 40.2% | 32.0% | 30.3% |
| Completed masters | 8.8% | 11.9% | 11.5% |
| Completed professional degree | 5.6% | 3.9% | 3.3% |
| Completed doctorate | 1.4% | 1.6% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Penngrove. Using the proficiency score averages, the average test scores for Penngrove, CA schools is 57%. The average student to teacher ratio is n/a. In Penngrove, CA, an average of 88.2% of students have completed 8th grade and an average of 88.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| St. Helena, CA | 6,176 | 60% | 24.0% |
| Occidental, CA | 897 | 60% | 24.0% |
| Kenwood, CA | 557 | 57% | 18.8% |
| Petaluma, CA | 62,491 | 52% | 7.7% |
| Sebastopol, CA | 7,965 | 51% | 6.7% |
| Penngrove, CA | 2,420 | 57% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Wrens, GA | 2,420 | 25% | 48.4% |
| Plattsburg, MO | 2,421 | 46% | 5.2% |
| Henry, IL | 2,422 | 25% | 47.9% |
| Franklinton, NC | 2,422 | 40% | 16.5% |
| Wells, MN | 2,422 | 57% | 19.3% |
| Penngrove, CA | 2,420 | 57% | 18.8% |
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