| Index | La Joya | Texas | National |
| Average Test Scores | 62% | 47% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 13 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | La Joya | Texas | National |
| Completed 8th grade | 54.9% | 79.3% | 84.3% |
| Completed high school | 50.2% | 77.8% | 83.0% |
| Completed some college | 32.2% | 57.3% | 59.4% |
| Completed associate degree | 15.7% | 34.9% | 38.5% |
| Completed bachelors | 11.5% | 28.1% | 30.3% |
| Completed masters | 6.2% | 9.6% | 11.5% |
| Completed professional degree | 2.3% | 2.6% | 3.3% |
| Completed doctorate | 0.5% | 1.1% | 1.3% |
There are a total of 13 public schools, n/a private schools and n/a post-secondary schools in La Joya. Using the proficiency score averages, the average test scores for La Joya, TX schools is 62%. The average student to teacher ratio is 15:1. In La Joya, TX, an average of 54.9% of students have completed 8th grade and an average of 50.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Palmhurst, TX | 2,654 | 55% | 14.8% |
| McAllen, TX | 138,475 | 53% | 10.6% |
| Mission, TX | 82,200 | 51% | 6.6% |
| Palmview, TX | 5,644 | 50% | 3.9% |
| Alton, TX | 15,581 | 49% | 1.2% |
| La Joya, TX | 4,209 | 62% | 29.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Monongahela, PA | 4,208 | 65% | 34.7% |
| Hazlehurst, GA | 4,211 | 40% | 17.6% |
| Jefferson, IA | 4,207 | 62% | 28.8% |
| Jasper, FL | 4,207 | 42% | 12.0% |
| Jourdanton, TX | 4,212 | 46% | 4.4% |
| La Joya, TX | 4,209 | 62% | 29.5% |
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