| Index | Cornersville | Tennessee | National |
| Average Test Scores | 37% | 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 | Cornersville | Tennessee | National |
| Completed 8th grade | 77.5% | 82.0% | 84.3% |
| Completed high school | 77.5% | 79.9% | 83.0% |
| Completed some college | 47.3% | 53.2% | 59.4% |
| Completed associate degree | 25.4% | 32.2% | 38.5% |
| Completed bachelors | 14.7% | 25.4% | 30.3% |
| Completed masters | 4.7% | 9.3% | 11.5% |
| Completed professional degree | 0.3% | 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 Cornersville. Using the proficiency score averages, the average test scores for Cornersville, TN schools is 37%. The average student to teacher ratio is n/a. In Cornersville, TN, an average of 77.5% of students have completed 8th grade and an average of 77.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lynnville, TN | 404 | 40% | 16.1% |
| Petersburg, TN | 517 | 37% | 24.0% |
| Lewisburg, TN | 12,150 | 31% | 34.9% |
| Pulaski, TN | 7,614 | 30% | 37.5% |
| Cornersville, TN | 1,574 | 37% | 23.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Itasca, TX | 1,574 | 38% | 20.8% |
| Holland, TX | 1,574 | 59% | 22.6% |
| Oakland, NE | 1,575 | 60% | 24.0% |
| Lexington, MS | 1,573 | 13% | 73.3% |
| Jackson Center, OH | 1,575 | 77% | 60.4% |
| Cornersville, TN | 1,574 | 37% | 23.4% |
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