| Index | Windsor | California | National |
| Average Test Scores | 36% | 43% | 48% |
| Student/Teacher ratio | 20:1 | 20:1 | 16:1 |
| Total public schools | 7 | 8,308 | 79,221 |
| Total private schools | 1 | 3,438 | 24,874 |
| Total post-secondary schools | n/a | 1,085 | 7,963 |


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| Index | Windsor | California | National |
| Completed 8th grade | 85.3% | 81.1% | 84.3% |
| Completed high school | 84.0% | 79.8% | 83.0% |
| Completed some college | 65.3% | 61.5% | 59.4% |
| Completed associate degree | 39.7% | 39.8% | 38.5% |
| Completed bachelors | 28.6% | 32.0% | 30.3% |
| Completed masters | 9.2% | 11.9% | 11.5% |
| Completed professional degree | 3.7% | 3.9% | 3.3% |
| Completed doctorate | 1.8% | 1.6% | 1.3% |
There are a total of 7 public schools, 1 private schools and n/a post-secondary schools in Windsor. Using the proficiency score averages, the average test scores for Windsor, CA schools is 36%. The average student to teacher ratio is 20:1. In Windsor, CA, an average of 85.3% of students have completed 8th grade and an average of 84.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Occidental, CA | 897 | 60% | 24.0% |
| Kenwood, CA | 557 | 57% | 18.8% |
| Sebastopol, CA | 7,965 | 51% | 6.7% |
| Healdsburg, CA | 12,288 | 50% | 4.8% |
| Bodega Bay, CA | 1,111 | 50% | 4.2% |
| Windsor, CA | 28,616 | 36% | 26.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Danvers, MA | 28,614 | 57% | 18.2% |
| Yukon, OK | 28,599 | 52% | 7.8% |
| Oakdale, MN | 28,648 | 58% | 20.7% |
| Monroeville, PA | 28,652 | 61% | 27.8% |
| Old Bridge, NJ | 28,566 | 63% | 30.4% |
| Windsor, CA | 28,616 | 36% | 26.0% |