| Index | Weslaco | Texas | National |
| Average Test Scores | 46% | 47% | 48% |
| Student/Teacher ratio | 17:1 | 14:1 | 16:1 |
| Total public schools | 24 | 7,418 | 79,221 |
| Total private schools | 4 | 1,267 | 24,874 |
| Total post-secondary schools | 3 | 463 | 7,963 |
| Index | Weslaco | Texas | National |
| Completed 8th grade | 65.8% | 79.3% | 84.3% |
| Completed high school | 63.6% | 77.8% | 83.0% |
| Completed some college | 43.1% | 57.3% | 59.4% |
| Completed associate degree | 23.5% | 34.9% | 38.5% |
| Completed bachelors | 18.2% | 28.1% | 30.3% |
| Completed masters | 5.6% | 9.6% | 11.5% |
| Completed professional degree | 1.5% | 2.6% | 3.3% |
| Completed doctorate | 0.4% | 1.1% | 1.3% |
There are a total of 24 public schools, 4 private schools and 3 post-secondary schools in Weslaco. Using the proficiency score averages, the average test scores for Weslaco, TX schools is 46%. The average student to teacher ratio is 17:1. In Weslaco, TX, an average of 65.8% of students have completed 8th grade and an average of 63.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Edinburg, TX | 97,734 | 53% | 10.8% |
| Pharr, TX | 78,689 | 52% | 8.2% |
| San Juan, TX | 36,759 | 48% | 0.5% |
| Alamo, TX | 19,851 | 47% | 1.5% |
| La Feria, TX | 7,276 | 45% | 7.0% |
| Weslaco, TX | 41,103 | 46% | 4.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Findlay, OH | 41,098 | 62% | 29.3% |
| Hickory, NC | 41,067 | 47% | 1.6% |
| Oviedo, FL | 41,062 | 74% | 54.8% |
| Shelton, CT | 41,162 | 67% | 39.1% |
| Manassas, VA | 41,038 | 74% | 54.1% |
| Weslaco, TX | 41,103 | 46% | 4.0% |
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