| Index | Diboll | Texas | National |
| Average Test Scores | 44% | 47% | 48% |
| Student/Teacher ratio | 13:1 | 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 | Diboll | Texas | National |
| Completed 8th grade | 60.6% | 79.3% | 84.3% |
| Completed high school | 58.8% | 77.8% | 83.0% |
| Completed some college | 35.4% | 57.3% | 59.4% |
| Completed associate degree | 15.2% | 34.9% | 38.5% |
| Completed bachelors | 8.8% | 28.1% | 30.3% |
| Completed masters | 1.3% | 9.6% | 11.5% |
| Completed professional degree | 0.1% | 2.6% | 3.3% |
| Completed doctorate | 0.1% | 1.1% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Diboll. Using the proficiency score averages, the average test scores for Diboll, TX schools is 44%. The average student to teacher ratio is 13:1. In Diboll, TX, an average of 60.6% of students have completed 8th grade and an average of 58.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lufkin, TX | 35,336 | 50% | 3.3% |
| Huntington, TX | 3,171 | 48% | 0.2% |
| Corrigan, TX | 1,804 | 38% | 20.8% |
| Diboll, TX | 5,210 | 44% | 8.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Brewton, AL | 5,210 | 55% | 15.4% |
| Anthony, TX | 5,210 | 47% | 2.1% |
| Midway, UT | 5,210 | 67% | 38.5% |
| Big Stone Gap, VA | 5,209 | 89% | 84.7% |
| McGregor, TX | 5,212 | 45% | 5.9% |
| Diboll, TX | 5,210 | 44% | 8.3% |
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