| Index | Calhoun | Tennessee | National |
| Average Test Scores | 46% | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |
| Index | Calhoun | Tennessee | National |
| Completed 8th grade | 81.8% | 82.0% | 84.3% |
| Completed high school | 79.1% | 79.9% | 83.0% |
| Completed some college | 43.3% | 53.2% | 59.4% |
| Completed associate degree | 23.8% | 32.2% | 38.5% |
| Completed bachelors | 15.0% | 25.4% | 30.3% |
| Completed masters | 5.1% | 9.3% | 11.5% |
| Completed professional degree | 0.0% | 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, TN schools is 46%. The average student to teacher ratio is n/a. In Calhoun, TN, an average of 81.8% of students have completed 8th grade and an average of 79.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Dayton, TN | 7,357 | 43% | 9.6% |
| Riceville, TN | 771 | 41% | 14.6% |
| Cleveland, TN | 45,115 | 38% | 21.4% |
| Athens, TN | 13,931 | 38% | 21.5% |
| Charleston, TN | 668 | 37% | 22.9% |
| Calhoun, TN | 674 | 46% | 5.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Liberal, MO | 674 | 31% | 34.7% |
| Mayesville, SC | 674 | 27% | 43.8% |
| Brandon, MN | 674 | 64% | 33.3% |
| Alpha, IL | 674 | 27% | 43.8% |
| Conneaut Lake, PA | 674 | 52% | 7.3% |
| Calhoun, TN | 674 | 46% | 5.2% |
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