| Index | Cantril | 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 | Cantril | Iowa | National |
| Completed 8th grade | 88.1% | 89.2% | 84.3% |
| Completed high school | 80.4% | 87.7% | 83.0% |
| Completed some college | 37.5% | 59.8% | 59.4% |
| Completed associate degree | 21.4% | 38.4% | 38.5% |
| Completed bachelors | 10.1% | 27.2% | 30.3% |
| Completed masters | 0.6% | 8.7% | 11.5% |
| Completed professional degree | 0.0% | 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 Cantril. Using the proficiency score averages, the average test scores for Cantril, IA schools is n/a. The average student to teacher ratio is n/a. In Cantril, IA, an average of 88.1% of students have completed 8th grade and an average of 80.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Douds, IA | 84 | 65% | 34.4% |
| Keosauqua, IA | 915 | 60% | 24.0% |
| Memphis, MO | 1,886 | 48% | 0.5% |
| Cantril, IA | 267 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Seminary, MS | 267 | 48% | 0.3% |
| Basin, MT | 267 | 50% | 4.2% |
| Almira, WA | 267 | 70% | 44.8% |
| Lyle, WA | 267 | 40% | 16.7% |
| Kaycee, WY | 267 | 55% | 13.5% |
| Cantril, IA | 267 | n/a |
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