| Index | Winthrop | Maine | National |
| Average Test Scores | 49% | 45% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 4 | 345 | 79,221 |
| Total private schools | n/a | 89 | 24,874 |
| Total post-secondary schools | n/a | 45 | 7,963 |
| Index | Winthrop | Maine | National |
| Completed 8th grade | 95.1% | 88.3% | 84.3% |
| Completed high school | 94.3% | 86.8% | 83.0% |
| Completed some college | 70.2% | 58.8% | 59.4% |
| Completed associate degree | 46.8% | 39.0% | 38.5% |
| Completed bachelors | 29.5% | 29.3% | 30.3% |
| Completed masters | 15.0% | 10.5% | 11.5% |
| Completed professional degree | 4.4% | 3.0% | 3.3% |
| Completed doctorate | 3.1% | 1.3% | 1.3% |
There are a total of 4 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, ME schools is 49%. The average student to teacher ratio is 13:1. In Winthrop, ME, an average of 95.1% of students have completed 8th grade and an average of 94.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hallowell, ME | 2,444 | 47% | 2.1% |
| Farmingdale, ME | 2,451 | 45% | 7.3% |
| Gardiner, ME | 5,670 | 44% | 9.4% |
| Augusta, ME | 18,662 | 40% | 17.0% |
| Chisholm, ME | 1,165 | 34% | 30.2% |
| Winthrop, ME | 2,476 | 49% | 2.8% |
| City | Population | Avg. Test Scores | National Avg. |
| New London, OH | 2,476 | 65% | 34.4% |
| Spring Lake, MI | 2,477 | 69% | 43.3% |
| Roaring Spring, PA | 2,475 | 43% | 10.4% |
| Wayne, IL | 2,477 | 40% | 17.7% |
| Haw River, NC | 2,477 | 21% | 57.3% |
| Winthrop, ME | 2,476 | 49% | 2.8% |
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