| Index | Mexia | Texas | National |
| Average Test Scores | 36% | 47% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 7 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Mexia | Texas | National |
| Completed 8th grade | 71.9% | 79.3% | 84.3% |
| Completed high school | 69.0% | 77.8% | 83.0% |
| Completed some college | 42.2% | 57.3% | 59.4% |
| Completed associate degree | 23.5% | 34.9% | 38.5% |
| Completed bachelors | 18.6% | 28.1% | 30.3% |
| Completed masters | 4.5% | 9.6% | 11.5% |
| Completed professional degree | 1.0% | 2.6% | 3.3% |
| Completed doctorate | 0.8% | 1.1% | 1.3% |
There are a total of 7 public schools, n/a private schools and n/a post-secondary schools in Mexia. Using the proficiency score averages, the average test scores for Mexia, TX schools is 36%. The average student to teacher ratio is 16:1. In Mexia, TX, an average of 71.9% of students have completed 8th grade and an average of 69.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Coolidge, TX | 1,014 | 52% | 8.3% |
| Teague, TX | 3,517 | 51% | 5.5% |
| Wortham, TX | 1,299 | 42% | 12.2% |
| Dawson, TX | 943 | 37% | 22.9% |
| Groesbeck, TX | 4,206 | 37% | 23.2% |
| Mexia, TX | 7,319 | 36% | 24.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Mills River, NC | 7,319 | 68% | 42.2% |
| Washington, IA | 7,318 | 56% | 16.0% |
| Gorham, ME | 7,322 | 57% | 19.2% |
| Hastings, MI | 7,314 | 44% | 7.7% |
| Ponchatoula, LA | 7,311 | 63% | 31.0% |
| Mexia, TX | 7,319 | 36% | 24.7% |
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