| Index | Winthrop | New York | National |
| Average Test Scores | n/a | 56% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 4,060 | 79,221 |
| Total private schools | n/a | 1,092 | 24,874 |
| Total post-secondary schools | n/a | 483 | 7,963 |
| Index | Winthrop | New York | National |
| Completed 8th grade | 88.4% | 83.5% | 84.3% |
| Completed high school | 88.4% | 82.1% | 83.0% |
| Completed some college | 29.0% | 59.5% | 59.4% |
| Completed associate degree | 18.8% | 43.4% | 38.5% |
| Completed bachelors | 15.9% | 34.7% | 30.3% |
| Completed masters | 15.9% | 15.1% | 11.5% |
| Completed professional degree | 6.2% | 4.2% | 3.3% |
| Completed doctorate | 0.0% | 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, NY schools is n/a. The average student to teacher ratio is n/a. In Winthrop, NY, an average of 88.4% of students have completed 8th grade and an average of 88.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Potsdam, NY | 9,003 | 64% | 34.0% |
| Parishville, NY | 623 | 58% | 21.4% |
| Brasher Falls, NY | 605 | 56% | 16.7% |
| Massena, NY | 9,617 | 55% | 14.0% |
| Norwood, NY | 1,543 | 51% | 5.6% |
| Winthrop, NY | 174 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Frederick, SD | 174 | 60% | 25.0% |
| Big Island, VA | 174 | 85% | 76.0% |
| Monterey, VA | 174 | 90% | 88.0% |
| Bladen, NE | 174 | 45% | 7.3% |
| Red Rock CDP (Apache County), AZ | 174 | 14% | 71.9% |
| Winthrop, NY | 174 | n/a |
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