| Index | Petersburg | 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 | Petersburg | Tennessee | National |
| Completed 8th grade | 70.2% | 82.0% | 84.3% |
| Completed high school | 62.8% | 79.9% | 83.0% |
| Completed some college | 19.6% | 53.2% | 59.4% |
| Completed associate degree | 10.9% | 32.2% | 38.5% |
| Completed bachelors | 6.9% | 25.4% | 30.3% |
| Completed masters | 4.6% | 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 Petersburg. Using the proficiency score averages, the average test scores for Petersburg, TN schools is 37%. The average student to teacher ratio is n/a. In Petersburg, TN, an average of 70.2% of students have completed 8th grade and an average of 62.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cornersville, TN | 1,628 | 37% | 23.4% |
| Fayetteville, TN | 7,292 | 36% | 25.0% |
| Lewisburg, TN | 12,475 | 31% | 34.9% |
| Shelbyville, TN | 22,648 | 25% | 47.8% |
| Petersburg, TN | 531 | 37% | 24.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Craigmont, ID | 531 | 37% | 22.9% |
| Walden, CO | 531 | 25% | 49.0% |
| Mackay, ID | 531 | 47% | 1.6% |
| Lewis, IA | 532 | 75% | 56.3% |
| Matagorda, TX | 530 | 32% | 33.3% |
| Petersburg, TN | 531 | 37% | 24.0% |