| Index | Calhoun | Missouri | National |
| Average Test Scores | 25% | 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 | Calhoun | Missouri | National |
| Completed 8th grade | 82.5% | 86.0% | 84.3% |
| Completed high school | 79.8% | 84.2% | 83.0% |
| Completed some college | 37.4% | 57.7% | 59.4% |
| Completed associate degree | 13.2% | 35.2% | 38.5% |
| Completed bachelors | 8.2% | 27.6% | 30.3% |
| Completed masters | 0.8% | 10.4% | 11.5% |
| Completed professional degree | 0.4% | 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 Calhoun. Using the proficiency score averages, the average test scores for Calhoun, MO schools is 25%. The average student to teacher ratio is n/a. In Calhoun, MO, an average of 82.5% of students have completed 8th grade and an average of 79.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Leeton, MO | 612 | 56% | 16.0% |
| Green Ridge, MO | 473 | 43% | 9.9% |
| Clinton, MO | 8,792 | 43% | 10.8% |
| Deepwater, MO | 451 | 36% | 25.5% |
| Chilhowee, MO | 382 | 34% | 28.8% |
| Calhoun, MO | 324 | 25% | 47.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Tupelo, OK | 324 | 22% | 53.6% |
| Shaktoolik, AK | 324 | 10% | 79.2% |
| Montezuma Creek, UT | 324 | 15% | 69.8% |
| Patrick, SC | 323 | 60% | 24.0% |
| Mercer, MO | 323 | 38% | 21.9% |
| Calhoun, MO | 324 | 25% | 47.9% |
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