| Index | Lake Petersburg | Illinois | National |
| Average Test Scores | n/a | 33% | 48% |
| Student/Teacher ratio | n/a | 18:1 | 16:1 |
| Total public schools | n/a | 3,938 | 79,221 |
| Total private schools | n/a | 1,438 | 24,874 |
| Total post-secondary schools | n/a | 306 | 7,963 |
| Index | Lake Petersburg | Illinois | National |
| Completed 8th grade | 97.0% | 86.2% | 84.3% |
| Completed high school | 97.0% | 84.7% | 83.0% |
| Completed some college | 69.9% | 61.8% | 59.4% |
| Completed associate degree | 55.1% | 40.7% | 38.5% |
| Completed bachelors | 51.1% | 32.9% | 30.3% |
| Completed masters | 14.6% | 12.7% | 11.5% |
| Completed professional degree | 7.1% | 3.4% | 3.3% |
| Completed doctorate | 1.2% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Lake Petersburg. Using the proficiency score averages, the average test scores for Lake Petersburg, IL schools is n/a. The average student to teacher ratio is n/a. In Lake Petersburg, IL, an average of 97.0% of students have completed 8th grade and an average of 97.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sherman, IL | 4,470 | 67% | 38.5% |
| Cantrall, IL | 104 | 45% | 6.3% |
| Pleasant Plains, IL | 718 | 38% | 20.1% |
| Athens, IL | 2,349 | 37% | 22.9% |
| Petersburg, IL | 2,564 | 32% | 33.9% |
| Lake Petersburg, IL | 547 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Zearing, IA | 547 | 70% | 45.8% |
| Winchester, KS | 547 | 40% | 16.7% |
| Benzonia, MI | 547 | 41% | 14.3% |
| Noxapater, MS | 547 | 53% | 9.4% |
| Elk Horn, IA | 548 | 67% | 39.6% |
| Lake Petersburg, IL | 547 | n/a |
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