| Index | San Augustine | Texas | National |
| Average Test Scores | 27% | 47% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 4 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | San Augustine | Texas | National |
| Completed 8th grade | 76.5% | 79.3% | 84.3% |
| Completed high school | 73.6% | 77.8% | 83.0% |
| Completed some college | 38.1% | 57.3% | 59.4% |
| Completed associate degree | 14.4% | 34.9% | 38.5% |
| Completed bachelors | 10.2% | 28.1% | 30.3% |
| Completed masters | 4.4% | 9.6% | 11.5% |
| Completed professional degree | 0.7% | 2.6% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in San Augustine. Using the proficiency score averages, the average test scores for San Augustine, TX schools is 27%. The average student to teacher ratio is 15:1. In San Augustine, TX, an average of 76.5% of students have completed 8th grade and an average of 73.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chireno, TX | 570 | 44% | 9.4% |
| San Augustine, TX | 1,857 | 27% | 44.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Hopewell, NJ | 1,857 | 75% | 55.2% |
| Flora, IN | 1,856 | 57% | 17.7% |
| Capac, MI | 1,858 | 40% | 16.3% |
| Jal, NM | 1,856 | 11% | 77.1% |
| Ixonia, WI | 1,856 | 50% | 3.1% |
| San Augustine, TX | 1,857 | 27% | 44.4% |
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