| Index | Cotulla | Texas | National |
| Average Test Scores | 38% | 47% | 48% |
| Student/Teacher ratio | 11:1 | 14:1 | 16:1 |
| Total public schools | 7 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Cotulla | Texas | National |
| Completed 8th grade | 68.2% | 79.3% | 84.3% |
| Completed high school | 62.0% | 77.8% | 83.0% |
| Completed some college | 33.5% | 57.3% | 59.4% |
| Completed associate degree | 21.1% | 34.9% | 38.5% |
| Completed bachelors | 19.0% | 28.1% | 30.3% |
| Completed masters | 5.6% | 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 7 public schools, n/a private schools and n/a post-secondary schools in Cotulla. Using the proficiency score averages, the average test scores for Cotulla, TX schools is 38%. The average student to teacher ratio is 11:1. In Cotulla, TX, an average of 68.2% of students have completed 8th grade and an average of 62.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Cotulla, TX | 4,160 | 38% | 20.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Breese, IL | 4,160 | 54% | 11.8% |
| North Pembroke, MA | 4,159 | 71% | 46.9% |
| Liberty, NY | 4,162 | 51% | 6.3% |
| Jasper, FL | 4,157 | 42% | 11.8% |
| Van Alstyne, TX | 4,153 | 60% | 24.2% |
| Cotulla, TX | 4,160 | 38% | 20.5% |
Here are the best places to live in Texas
Top 10 best public schools in Cotulla
10 Best cities in Texas for employment
Top 10 cities in Texas with the best education system