| Index | Iglesia Antigua | 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 | Iglesia Antigua | Texas | National |
| Completed 8th grade | 46.4% | 79.3% | 84.3% |
| Completed high school | 46.4% | 77.8% | 83.0% |
| Completed some college | 17.3% | 57.3% | 59.4% |
| Completed associate degree | 8.4% | 34.9% | 38.5% |
| Completed bachelors | 6.7% | 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 Iglesia Antigua. Using the proficiency score averages, the average test scores for Iglesia Antigua, TX schools is n/a. The average student to teacher ratio is n/a. In Iglesia Antigua, TX, an average of 46.4% of students have completed 8th grade and an average of 46.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Combes, TX | 3,092 | 65% | 34.4% |
| Harlingen, TX | 66,722 | 48% | 0.7% |
| Weslaco, TX | 42,136 | 46% | 4.0% |
| La Feria, TX | 7,494 | 45% | 7.0% |
| San Benito, TX | 24,920 | 43% | 10.8% |
| Iglesia Antigua, TX | 218 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Glendo, WY | 218 | 50% | 4.2% |
| Bryant, IN | 218 | 50% | 3.1% |
| Wamsutter, WY | 218 | 60% | 25.0% |
| Flasher, ND | 218 | 56% | 16.7% |
| Braggs, OK | 218 | 37% | 22.4% |
| Iglesia Antigua, TX | 218 | n/a |