| Index | Petersburg | Indiana | National |
| Average Test Scores | 38% | 46% | 48% |
| Student/Teacher ratio | 29:1 | 22:1 | 16:1 |
| Total public schools | 3 | 1,755 | 79,221 |
| Total private schools | n/a | 675 | 24,874 |
| Total post-secondary schools | n/a | 141 | 7,963 |
| Index | Petersburg | Indiana | National |
| Completed 8th grade | 77.7% | 84.6% | 84.3% |
| Completed high school | 76.4% | 82.9% | 83.0% |
| Completed some college | 38.5% | 53.8% | 59.4% |
| Completed associate degree | 20.4% | 33.0% | 38.5% |
| Completed bachelors | 10.6% | 24.6% | 30.3% |
| Completed masters | 4.7% | 8.9% | 11.5% |
| Completed professional degree | 1.1% | 2.4% | 3.3% |
| Completed doctorate | 0.2% | 1.0% | 1.3% |
There are a total of 3 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, IN schools is 38%. The average student to teacher ratio is 29:1. In Petersburg, IN, an average of 77.7% of students have completed 8th grade and an average of 76.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Montgomery, IN | 1,025 | 76% | 58.3% |
| Francisco, IN | 541 | 65% | 35.4% |
| Vincennes, IN | 17,091 | 43% | 9.5% |
| Washington, IN | 12,514 | 42% | 11.8% |
| Winslow, IN | 900 | 42% | 12.5% |
| Petersburg, IN | 2,315 | 38% | 20.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Custer, SD | 2,314 | 50% | 3.1% |
| Victor, ID | 2,317 | 60% | 25.0% |
| Derry, PA | 2,317 | 64% | 33.3% |
| Phillipsburg, KS | 2,317 | 37% | 22.6% |
| Brownsville, PA | 2,313 | 34% | 29.5% |
| Petersburg, IN | 2,315 | 38% | 20.1% |
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