| Index | Petersburg | Texas | National |
| Average Test Scores | 52% | 47% | 48% |
| Student/Teacher ratio | 11:1 | 14:1 | 16:1 |
| Total public schools | 2 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Petersburg | Texas | National |
| Completed 8th grade | 74.7% | 79.3% | 84.3% |
| Completed high school | 67.5% | 77.8% | 83.0% |
| Completed some college | 37.2% | 57.3% | 59.4% |
| Completed associate degree | 18.8% | 34.9% | 38.5% |
| Completed bachelors | 12.6% | 28.1% | 30.3% |
| Completed masters | 5.2% | 9.6% | 11.5% |
| Completed professional degree | 0.7% | 2.6% | 3.3% |
| Completed doctorate | 0.7% | 1.1% | 1.3% |
There are a total of 2 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, TX schools is 52%. The average student to teacher ratio is 11:1. In Petersburg, TX, an average of 74.7% of students have completed 8th grade and an average of 67.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Idalou, TX | 1,814 | 65% | 35.1% |
| Abernathy, TX | 3,408 | 51% | 5.9% |
| New Deal, TX | 1,058 | 46% | 4.2% |
| Floydada, TX | 2,707 | 46% | 4.4% |
| Hale Center, TX | 2,013 | 38% | 21.9% |
| Petersburg, TX | 1,034 | 52% | 8.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Grundy, VA | 1,034 | 77% | 59.4% |
| Ore City, TX | 1,034 | 45% | 6.9% |
| Kittery Point, ME | 1,034 | 65% | 34.4% |
| Willards, MD | 1,034 | 47% | 2.1% |
| Maypearl, TX | 1,034 | 46% | 3.8% |
| Petersburg, TX | 1,034 | 52% | 8.3% |
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