| Index | La Grulla | Texas | National |
| Average Test Scores | 37% | 47% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | La Grulla | Texas | National |
| Completed 8th grade | 46.8% | 79.3% | 84.3% |
| Completed high school | 41.7% | 77.8% | 83.0% |
| Completed some college | 21.0% | 57.3% | 59.4% |
| Completed associate degree | 8.0% | 34.9% | 38.5% |
| Completed bachelors | 2.6% | 28.1% | 30.3% |
| Completed masters | 0.0% | 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 n/a public schools, n/a private schools and n/a post-secondary schools in La Grulla. Using the proficiency score averages, the average test scores for La Grulla, TX schools is 37%. The average student to teacher ratio is n/a. In La Grulla, TX, an average of 46.8% of students have completed 8th grade and an average of 41.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| La Joya, TX | 4,374 | 62% | 29.8% |
| Rio Grande City, TX | 14,411 | 47% | 1.2% |
| Penitas, TX | 6,103 | 45% | 5.5% |
| Sullivan City, TX | 4,187 | 45% | 7.3% |
| Garciasville, TX | 0 | 40% | 17.7% |
| La Grulla, TX | 1,513 | 37% | 24.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Wilton, ME | 1,513 | 35% | 28.1% |
| Caledonia, MS | 1,513 | 55% | 13.5% |
| Moorhead, MS | 1,513 | 30% | 38.5% |
| Englewood, TN | 1,513 | 36% | 25.0% |
| Waverly, MN | 1,513 | 67% | 39.6% |
| La Grulla, TX | 1,513 | 37% | 24.0% |
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