| Index | Lockhart | Texas | National |
| Average Test Scores | 32% | 47% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 10 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Lockhart | Texas | National |
| Completed 8th grade | 72.6% | 79.3% | 84.3% |
| Completed high school | 71.2% | 77.8% | 83.0% |
| Completed some college | 39.0% | 57.3% | 59.4% |
| Completed associate degree | 18.4% | 34.9% | 38.5% |
| Completed bachelors | 14.0% | 28.1% | 30.3% |
| Completed masters | 4.4% | 9.6% | 11.5% |
| Completed professional degree | 0.9% | 2.6% | 3.3% |
| Completed doctorate | 0.2% | 1.1% | 1.3% |
There are a total of 10 public schools, n/a private schools and n/a post-secondary schools in Lockhart. Using the proficiency score averages, the average test scores for Lockhart, TX schools is 32%. The average student to teacher ratio is 16:1. In Lockhart, TX, an average of 72.6% of students have completed 8th grade and an average of 71.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Buda, TX | 16,484 | 50% | 4.5% |
| Kyle, TX | 45,828 | 41% | 13.7% |
| Niederwald, TX | 652 | 39% | 18.8% |
| Luling, TX | 5,850 | 32% | 32.6% |
| San Marcos, TX | 64,053 | 32% | 33.1% |
| Lockhart, TX | 13,782 | 32% | 32.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Wood Dale, IL | 13,783 | 30% | 38.0% |
| St. Helens, OR | 13,779 | 44% | 9.4% |
| Royse City, TX | 13,773 | 48% | 0.3% |
| Andrews, TX | 13,797 | 47% | 2.9% |
| D'Iberville, MS | 13,766 | 62% | 28.6% |
| Lockhart, TX | 13,782 | 32% | 32.9% |
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