| Index | LaCoste | Texas | National |
| Average Test Scores | 53% | 47% | 48% |
| Student/Teacher ratio | 17:1 | 14:1 | 16:1 |
| Total public schools | 1 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | LaCoste | Texas | National |
| Completed 8th grade | 77.7% | 79.3% | 84.3% |
| Completed high school | 75.3% | 77.8% | 83.0% |
| Completed some college | 47.4% | 57.3% | 59.4% |
| Completed associate degree | 21.6% | 34.9% | 38.5% |
| Completed bachelors | 15.5% | 28.1% | 30.3% |
| Completed masters | 1.8% | 9.6% | 11.5% |
| Completed professional degree | 1.1% | 2.6% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in LaCoste. Using the proficiency score averages, the average test scores for LaCoste, TX schools is 53%. The average student to teacher ratio is 17:1. In LaCoste, TX, an average of 77.7% of students have completed 8th grade and an average of 75.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Castroville, TX | 3,097 | 58% | 20.8% |
| Leon Valley, TX | 12,279 | 55% | 13.5% |
| Devine, TX | 4,829 | 46% | 4.5% |
| Somerset, TX | 1,821 | 43% | 11.5% |
| Von Ormy, TX | 1,022 | 34% | 29.4% |
| LaCoste, TX | 1,936 | 53% | 10.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Edmonton, KY | 1,936 | 35% | 27.1% |
| Langdon, ND | 1,936 | 43% | 9.9% |
| Decatur, MI | 1,935 | 36% | 25.5% |
| Homerville, GA | 1,938 | 29% | 39.2% |
| Osseo, WI | 1,934 | 37% | 22.9% |
| LaCoste, TX | 1,936 | 53% | 10.4% |
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