| Index | Winthrop | Washington | National |
| Average Test Scores | 57% | 54% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 1,991 | 79,221 |
| Total private schools | n/a | 548 | 24,874 |
| Total post-secondary schools | n/a | 147 | 7,963 |
| Index | Winthrop | Washington | National |
| Completed 8th grade | 77.6% | 87.5% | 84.3% |
| Completed high school | 77.6% | 86.6% | 83.0% |
| Completed some college | 54.4% | 67.7% | 59.4% |
| Completed associate degree | 39.0% | 43.3% | 38.5% |
| Completed bachelors | 26.3% | 33.6% | 30.3% |
| Completed masters | 15.1% | 12.3% | 11.5% |
| Completed professional degree | 5.4% | 3.6% | 3.3% |
| Completed doctorate | 2.3% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Winthrop. Using the proficiency score averages, the average test scores for Winthrop, WA schools is 57%. The average student to teacher ratio is n/a. In Winthrop, WA, an average of 77.6% of students have completed 8th grade and an average of 77.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Winthrop, WA | 340 | 57% | 19.3% |
| City | Population | Avg. Test Scores | National Avg. |
| St. Thomas, ND | 340 | 50% | 4.2% |
| Haworth, OK | 340 | 24% | 50.3% |
| St. Marks, FL | 340 | 32% | 33.3% |
| Harrisburg, MO | 340 | 39% | 19.1% |
| St. Michael, AK | 340 | 13% | 74.0% |
| Winthrop, WA | 340 | 57% | 19.3% |
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