| Index | San Ygnacio | Texas | National |
| Average Test Scores | 50% | 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 | San Ygnacio | Texas | National |
| Completed 8th grade | 62.6% | 79.3% | 84.3% |
| Completed high school | 59.4% | 77.8% | 83.0% |
| Completed some college | 41.6% | 57.3% | 59.4% |
| Completed associate degree | 27.2% | 34.9% | 38.5% |
| Completed bachelors | 20.7% | 28.1% | 30.3% |
| Completed masters | 10.7% | 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 San Ygnacio. Using the proficiency score averages, the average test scores for San Ygnacio, TX schools is 50%. The average student to teacher ratio is n/a. In San Ygnacio, TX, an average of 62.6% of students have completed 8th grade and an average of 59.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Zapata, TX | 5,567 | 43% | 10.0% |
| Medina, TX | 4,599 | 42% | 12.5% |
| San Ygnacio, TX | 484 | 50% | 4.2% |
| City | Population | Avg. Test Scores | National Avg. |
| Clio, SC | 484 | 37% | 22.9% |
| Loraine, TX | 484 | 42% | 12.5% |
| D'Hanis, TX | 484 | 58% | 19.8% |
| Society Hill, SC | 484 | 20% | 59.4% |
| Gustine, TX | 484 | 42% | 12.5% |
| San Ygnacio, TX | 484 | 50% | 4.2% |
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