| Index | Lexington | Texas | National |
| Average Test Scores | 49% | 47% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 3 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Lexington | Texas | National |
| Completed 8th grade | 78.2% | 79.3% | 84.3% |
| Completed high school | 74.9% | 77.8% | 83.0% |
| Completed some college | 49.0% | 57.3% | 59.4% |
| Completed associate degree | 24.6% | 34.9% | 38.5% |
| Completed bachelors | 13.1% | 28.1% | 30.3% |
| Completed masters | 4.4% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Lexington. Using the proficiency score averages, the average test scores for Lexington, TX schools is 49%. The average student to teacher ratio is 13:1. In Lexington, TX, an average of 78.2% of students have completed 8th grade and an average of 74.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| McDade, TX | 1,285 | 48% | 0.5% |
| Thorndale, TX | 1,323 | 43% | 9.7% |
| Lexington, TX | 1,261 | 49% | 2.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Warrensburg, IL | 1,261 | 35% | 26.7% |
| Biglerville, PA | 1,261 | 63% | 30.9% |
| New London, TX | 1,260 | 42% | 11.8% |
| Houston, PA | 1,260 | 60% | 25.5% |
| Sanford, CO | 1,260 | 45% | 7.3% |
| Lexington, TX | 1,261 | 49% | 2.1% |
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