| Index | Garwin | Iowa | National |
| Average Test Scores | 70% | 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 | Garwin | Iowa | National |
| Completed 8th grade | 88.4% | 89.2% | 84.3% |
| Completed high school | 87.8% | 87.7% | 83.0% |
| Completed some college | 48.9% | 59.8% | 59.4% |
| Completed associate degree | 23.4% | 38.4% | 38.5% |
| Completed bachelors | 12.5% | 27.2% | 30.3% |
| Completed masters | 3.3% | 8.7% | 11.5% |
| Completed professional degree | 0.6% | 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 Garwin. Using the proficiency score averages, the average test scores for Garwin, IA schools is 70%. The average student to teacher ratio is n/a. In Garwin, IA, an average of 88.4% of students have completed 8th grade and an average of 87.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Laurel, IA | 200 | 80% | 66.7% |
| Le Grand, IA | 873 | 75% | 56.3% |
| Green Mountain, IA | 186 | 75% | 55.2% |
| Gilman, IA | 555 | 71% | 47.9% |
| Conrad, IA | 1,259 | 69% | 42.7% |
| Garwin, IA | 662 | 70% | 44.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Eldred, PA | 662 | 52% | 8.3% |
| Walpole, NH | 662 | 60% | 24.0% |
| Hull, TX | 662 | 27% | 43.8% |
| Gilbert, SC | 663 | 49% | 1.0% |
| Heath Springs, SC | 663 | 45% | 7.3% |
| Garwin, IA | 662 | 70% | 44.8% |
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