| Index | Cainsville | Missouri | National |
| Average Test Scores | 35% | 44% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 1,899 | 79,221 |
| Total private schools | n/a | 531 | 24,874 |
| Total post-secondary schools | n/a | 213 | 7,963 |
| Index | Cainsville | Missouri | National |
| Completed 8th grade | 83.1% | 86.0% | 84.3% |
| Completed high school | 81.5% | 84.2% | 83.0% |
| Completed some college | 36.0% | 57.7% | 59.4% |
| Completed associate degree | 15.2% | 35.2% | 38.5% |
| Completed bachelors | 8.4% | 27.6% | 30.3% |
| Completed masters | 1.7% | 10.4% | 11.5% |
| Completed professional degree | 0.6% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Cainsville. Using the proficiency score averages, the average test scores for Cainsville, MO schools is 35%. The average student to teacher ratio is n/a. In Cainsville, MO, an average of 83.1% of students have completed 8th grade and an average of 81.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lamoni, IA | 2,339 | 66% | 36.5% |
| Spickard, MO | 314 | 50% | 4.2% |
| Princeton, MO | 1,211 | 50% | 3.1% |
| Bethany, MO | 3,135 | 48% | 1.0% |
| Eagleville, MO | 362 | 45% | 6.8% |
| Cainsville, MO | 203 | 35% | 27.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Garden Grove, IA | 203 | 70% | 45.8% |
| Pembine, WI | 203 | 43% | 11.5% |
| Lake Leelanau, MI | 203 | 30% | 37.5% |
| Rockholds, KY | 204 | 65% | 34.4% |
| Taylor, ND | 204 | 60% | 25.0% |
| Cainsville, MO | 203 | 35% | 27.1% |
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