| Index | Winthrop | Iowa | National |
| Average Test Scores | 62% | 69% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 1,101 | 79,221 |
| Total private schools | n/a | 208 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Winthrop | Iowa | National |
| Completed 8th grade | 90.0% | 89.2% | 84.3% |
| Completed high school | 89.5% | 87.7% | 83.0% |
| Completed some college | 51.8% | 59.8% | 59.4% |
| Completed associate degree | 30.5% | 38.4% | 38.5% |
| Completed bachelors | 17.7% | 27.2% | 30.3% |
| Completed masters | 2.1% | 8.7% | 11.5% |
| Completed professional degree | 0.3% | 2.7% | 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 Winthrop. Using the proficiency score averages, the average test scores for Winthrop, IA schools is 62%. The average student to teacher ratio is n/a. In Winthrop, IA, an average of 90.0% of students have completed 8th grade and an average of 89.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Coggon, IA | 743 | 78% | 62.5% |
| Manchester, IA | 5,011 | 77% | 59.7% |
| Independence, IA | 6,085 | 69% | 43.8% |
| Oelwein, IA | 5,896 | 55% | 14.9% |
| Winthrop, IA | 1,025 | 62% | 29.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Guernsey, WY | 1,025 | 48% | 0.3% |
| Santa Margarita, CA | 1,025 | 52% | 8.9% |
| Montgomery, IN | 1,025 | 76% | 58.3% |
| Baconton, GA | 1,024 | 32% | 33.9% |
| Oxford, ME | 1,026 | 30% | 38.5% |
| Winthrop, IA | 1,025 | 62% | 29.5% |
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