| Index | Corwith | Iowa | National |
| Average Test Scores | n/a | 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 | Corwith | Iowa | National |
| Completed 8th grade | 85.3% | 89.2% | 84.3% |
| Completed high school | 82.2% | 87.7% | 83.0% |
| Completed some college | 54.5% | 59.8% | 59.4% |
| Completed associate degree | 25.7% | 38.4% | 38.5% |
| Completed bachelors | 16.2% | 27.2% | 30.3% |
| Completed masters | 5.8% | 8.7% | 11.5% |
| Completed professional degree | 1.0% | 2.7% | 3.3% |
| Completed doctorate | 1.0% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Corwith. Using the proficiency score averages, the average test scores for Corwith, IA schools is n/a. The average student to teacher ratio is n/a. In Corwith, IA, an average of 85.3% of students have completed 8th grade and an average of 82.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Kanawha, IA | 954 | 80% | 65.6% |
| Algona, IA | 5,415 | 77% | 60.4% |
| Lu Verne, IA | 278 | 75% | 56.3% |
| Britt, IA | 1,761 | 74% | 53.1% |
| Corwith, IA | 222 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Wales, AK | 222 | 20% | 58.3% |
| Newtok, AK | 222 | 10% | 79.2% |
| Holcombe, WI | 222 | 31% | 35.4% |
| Raiford, FL | 222 | 50% | 4.2% |
| Goshen, AL | 222 | 37% | 22.9% |
| Corwith, IA | 222 | n/a |
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