| 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 |
| 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 | 876 | 60% | 24.0% |
| Kenwood, CA | 540 | 57% | 18.8% |
| Sebastopol, CA | 7,664 | 51% | 6.7% |
| Healdsburg, CA | 11,924 | 50% | 4.8% |
| Bodega Bay, CA | 1,069 | 50% | 4.2% |
| Windsor, CA | 27,635 | 36% | 26.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Lansing, IL | 27,614 | 24% | 49.3% |
| Oxford, MS | 27,662 | 61% | 26.8% |
| Tualatin, OR | 27,601 | 57% | 18.8% |
| Garfield Heights, OH | 27,673 | 39% | 18.2% |
| Milton, MA | 27,590 | 72% | 50.5% |
| Windsor, CA | 27,635 | 36% | 26.0% |
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