| Index | Post | Texas | National |
| Average Test Scores | 33% | 47% | 48% |
| Student/Teacher ratio | 10:1 | 14:1 | 16:1 |
| Total public schools | 4 | 7,418 | 79,221 |
| Total private schools | 1 | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Post | Texas | National |
| Completed 8th grade | 54.8% | 79.3% | 84.3% |
| Completed high school | 46.1% | 77.8% | 83.0% |
| Completed some college | 26.1% | 57.3% | 59.4% |
| Completed associate degree | 9.7% | 34.9% | 38.5% |
| Completed bachelors | 7.6% | 28.1% | 30.3% |
| Completed masters | 1.1% | 9.6% | 11.5% |
| Completed professional degree | 0.3% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 4 public schools, 1 private schools and n/a post-secondary schools in Post. Using the proficiency score averages, the average test scores for Post, TX schools is 33%. The average student to teacher ratio is 10:1. In Post, TX, an average of 54.8% of students have completed 8th grade and an average of 46.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Post, TX | 5,002 | 33% | 31.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Milan, IL | 5,001 | 27% | 43.8% |
| Paulden, AZ | 5,003 | 20% | 59.4% |
| Annville, PA | 5,001 | 63% | 31.6% |
| Bolivar, TN | 5,005 | 19% | 60.1% |
| Concordia, KS | 5,005 | 30% | 37.5% |
| Post, TX | 5,002 | 33% | 31.0% |
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