| Index | Windsor | South Carolina | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 932 | 79,221 |
| Total private schools | n/a | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Windsor | South Carolina | National |
| Completed 8th grade | 71.2% | 83.0% | 84.3% |
| Completed high school | 71.2% | 81.6% | 83.0% |
| Completed some college | 42.3% | 56.6% | 59.4% |
| Completed associate degree | 23.1% | 35.6% | 38.5% |
| Completed bachelors | 9.6% | 26.5% | 30.3% |
| Completed masters | 5.8% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Windsor. Using the proficiency score averages, the average test scores for Windsor, SC schools is n/a. The average student to teacher ratio is n/a. In Windsor, SC, an average of 71.2% of students have completed 8th grade and an average of 71.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Blackville, SC | 2,084 | 47% | 2.1% |
| Aiken, SC | 32,110 | 46% | 3.9% |
| Wagener, SC | 1,292 | 38% | 21.9% |
| New Ellenton, SC | 2,214 | 33% | 30.7% |
| Williston, SC | 3,028 | 31% | 35.1% |
| Windsor, SC | 272 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mekoryuk, AK | 272 | 20% | 58.3% |
| Ekron, KY | 272 | 59% | 22.6% |
| Gurley, NE | 272 | 62% | 29.2% |
| Lewistown, OH | 272 | 70% | 45.8% |
| Des Lacs, ND | 272 | 40% | 16.7% |
| Windsor, SC | 272 | n/a |
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