| Index | Petersburg | Nebraska | National |
| Average Test Scores | 52% | 53% | 48% |
| Student/Teacher ratio | n/a | 13:1 | 16:1 |
| Total public schools | n/a | 780 | 79,221 |
| Total private schools | n/a | 182 | 24,874 |
| Total post-secondary schools | n/a | 56 | 7,963 |
| Index | Petersburg | Nebraska | National |
| Completed 8th grade | 98.8% | 88.4% | 84.3% |
| Completed high school | 96.4% | 87.2% | 83.0% |
| Completed some college | 51.2% | 63.7% | 59.4% |
| Completed associate degree | 28.2% | 40.1% | 38.5% |
| Completed bachelors | 13.1% | 30.0% | 30.3% |
| Completed masters | 3.2% | 9.9% | 11.5% |
| Completed professional degree | 0.0% | 2.9% | 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, NE schools is 52%. The average student to teacher ratio is n/a. In Petersburg, NE, an average of 98.8% of students have completed 8th grade and an average of 96.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Spalding, NE | 419 | 63% | 30.2% |
| Elgin, NE | 783 | 63% | 30.2% |
| Albion, NE | 1,511 | 56% | 16.7% |
| Tilden, NE | 1,079 | 50% | 3.1% |
| Petersburg, NE | 451 | 52% | 8.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Ketchum, OK | 451 | 31% | 36.5% |
| Lometa, TX | 451 | 27% | 43.2% |
| Coleridge, NE | 451 | 52% | 8.3% |
| Deepwater, MO | 451 | 36% | 25.5% |
| Poland, NY | 451 | 50% | 3.1% |
| Petersburg, NE | 451 | 52% | 8.3% |
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