| Index | Casas | Texas | National |
| Average Test Scores | n/a | 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 | Casas | Texas | National |
| Completed 8th grade | 73.1% | 79.3% | 84.3% |
| Completed high school | 50.0% | 77.8% | 83.0% |
| Completed some college | 50.0% | 57.3% | 59.4% |
| Completed associate degree | 50.0% | 34.9% | 38.5% |
| Completed bachelors | 0.0% | 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 Casas. Using the proficiency score averages, the average test scores for Casas, TX schools is n/a. The average student to teacher ratio is n/a. In Casas, TX, an average of 73.1% of students have completed 8th grade and an average of 50.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Roma, TX | 11,427 | 64% | 33.2% |
| Rio Grande City, TX | 14,411 | 47% | 1.2% |
| Garciasville, TX | 0 | 40% | 17.7% |
| Casas, TX | 6 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Wide Ruins, AZ | 6 | 10% | 79.2% |
| Wetonka, SD | 5 | 50% | 4.2% |
| Carlton Landing, OK | 5 | 15% | 68.8% |
| Platinum, AK | 8 | 50% | 4.2% |
| San Antonio, NM | 9 | 25% | 47.9% |
| Casas, TX | 6 | n/a |
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