| Index | Hallettsville | Texas | National |
| Average Test Scores | 54% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 14:1 | 16:1 |
| Total public schools | 5 | 7,418 | 79,221 |
| Total private schools | 1 | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Hallettsville | Texas | National |
| Completed 8th grade | 74.8% | 79.3% | 84.3% |
| Completed high school | 70.5% | 77.8% | 83.0% |
| Completed some college | 40.8% | 57.3% | 59.4% |
| Completed associate degree | 22.5% | 34.9% | 38.5% |
| Completed bachelors | 17.5% | 28.1% | 30.3% |
| Completed masters | 7.0% | 9.6% | 11.5% |
| Completed professional degree | 2.0% | 2.6% | 3.3% |
| Completed doctorate | 1.2% | 1.1% | 1.3% |
There are a total of 5 public schools, 1 private schools and n/a post-secondary schools in Hallettsville. Using the proficiency score averages, the average test scores for Hallettsville, TX schools is 54%. The average student to teacher ratio is 14:1. In Hallettsville, TX, an average of 74.8% of students have completed 8th grade and an average of 70.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Shiner, TX | 2,141 | 68% | 42.2% |
| Moulton, TX | 980 | 55% | 14.1% |
| Yoakum, TX | 5,762 | 38% | 21.9% |
| Hallettsville, TX | 2,613 | 54% | 12.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Staples, MN | 2,613 | 36% | 24.3% |
| Licking, MO | 2,612 | 41% | 15.1% |
| Cedaredge, CO | 2,614 | 45% | 6.3% |
| Landrum, SC | 2,614 | 48% | 1.0% |
| Maxton, NC | 2,614 | 21% | 56.3% |
| Hallettsville, TX | 2,613 | 54% | 12.1% |
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