| Index | Petersburg | Michigan | National |
| Average Test Scores | 50% | 42% | 48% |
| Student/Teacher ratio | 19:1 | 22:1 | 16:1 |
| Total public schools | 3 | 3,421 | 79,221 |
| Total private schools | 1 | 835 | 24,874 |
| Total post-secondary schools | n/a | 196 | 7,963 |
| Index | Petersburg | Michigan | National |
| Completed 8th grade | 93.0% | 86.9% | 84.3% |
| Completed high school | 93.0% | 85.9% | 83.0% |
| Completed some college | 55.8% | 60.3% | 59.4% |
| Completed associate degree | 30.0% | 36.5% | 38.5% |
| Completed bachelors | 17.9% | 27.4% | 30.3% |
| Completed masters | 8.4% | 10.7% | 11.5% |
| Completed professional degree | 1.1% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Petersburg. Using the proficiency score averages, the average test scores for Petersburg, MI schools is 50%. The average student to teacher ratio is 19:1. In Petersburg, MI, an average of 93.0% of students have completed 8th grade and an average of 93.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Metamora, OH | 638 | 79% | 64.9% |
| Sylvania, OH | 19,242 | 77% | 60.7% |
| Dundee, MI | 4,405 | 52% | 8.9% |
| Temperance, MI | 8,961 | 51% | 6.9% |
| Lambertville, MI | 9,970 | 50% | 3.1% |
| Petersburg, MI | 1,178 | 50% | 3.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Clifton, IL | 1,178 | 29% | 39.1% |
| Dixon, KY | 1,178 | 44% | 7.6% |
| Griswold, IA | 1,179 | 75% | 55.2% |
| Kellyville, OK | 1,179 | 39% | 18.5% |
| Waitsburg, WA | 1,177 | 44% | 9.4% |
| Petersburg, MI | 1,178 | 50% | 3.1% |
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