| Index | Winchester | Arkansas | National |
| Average Test Scores | n/a | 45% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 860 | 79,221 |
| Total private schools | n/a | 165 | 24,874 |
| Total post-secondary schools | n/a | 98 | 7,963 |
| Index | Winchester | Arkansas | National |
| Completed 8th grade | 82.2% | 80.7% | 84.3% |
| Completed high school | 77.6% | 79.0% | 83.0% |
| Completed some college | 15.0% | 50.5% | 59.4% |
| Completed associate degree | 8.4% | 27.9% | 38.5% |
| Completed bachelors | 6.5% | 21.5% | 30.3% |
| Completed masters | 0.0% | 7.6% | 11.5% |
| Completed professional degree | 0.0% | 2.2% | 3.3% |
| Completed doctorate | 0.0% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Winchester. Using the proficiency score averages, the average test scores for Winchester, AR schools is n/a. The average student to teacher ratio is n/a. In Winchester, AR, an average of 82.2% of students have completed 8th grade and an average of 77.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McGehee, AR | 3,748 | 32% | 33.3% |
| Dumas, AR | 3,850 | 28% | 42.7% |
| Winchester, AR | 138 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Jim Falls, WI | 138 | 67% | 39.6% |
| Fort Shaw, MT | 138 | 45% | 6.3% |
| Boston, KY | 138 | 61% | 27.1% |
| Coal Center, PA | 138 | 60% | 24.0% |
| Washington, CA | 137 | 50% | 4.2% |
| Winchester, AR | 138 | n/a |
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