| Index | Preston | 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 | Preston | Texas | National |
| Completed 8th grade | 72.8% | 79.3% | 84.3% |
| Completed high school | 72.8% | 77.8% | 83.0% |
| Completed some college | 56.4% | 57.3% | 59.4% |
| Completed associate degree | 25.1% | 34.9% | 38.5% |
| Completed bachelors | 17.4% | 28.1% | 30.3% |
| Completed masters | 3.0% | 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 Preston. Using the proficiency score averages, the average test scores for Preston, TX schools is n/a. The average student to teacher ratio is n/a. In Preston, TX, an average of 72.8% of students have completed 8th grade and an average of 72.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Pottsboro, TX | 2,486 | 52% | 8.7% |
| Sadler, TX | 501 | 51% | 6.3% |
| Denison, TX | 25,349 | 42% | 13.4% |
| Durant, OK | 19,221 | 40% | 17.5% |
| Kingston, OK | 1,842 | 34% | 28.8% |
| Preston, TX | 1,811 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| North Eastham, MA | 1,811 | 76% | 57.3% |
| Denver, IA | 1,811 | 90% | 87.2% |
| Clarksville, VA | 1,812 | 87% | 80.2% |
| West Jefferson, NC | 1,812 | 48% | 0.5% |
| Britt, IA | 1,810 | 74% | 53.1% |
| Preston, TX | 1,811 | n/a |