| Index | Thornton | 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 | Thornton | Texas | National |
| Completed 8th grade | 70.4% | 79.3% | 84.3% |
| Completed high school | 70.4% | 77.8% | 83.0% |
| Completed some college | 43.0% | 57.3% | 59.4% |
| Completed associate degree | 7.9% | 34.9% | 38.5% |
| Completed bachelors | 4.4% | 28.1% | 30.3% |
| Completed masters | 2.5% | 9.6% | 11.5% |
| Completed professional degree | 1.4% | 2.6% | 3.3% |
| Completed doctorate | 0.5% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Thornton. Using the proficiency score averages, the average test scores for Thornton, TX schools is n/a. The average student to teacher ratio is n/a. In Thornton, TX, an average of 70.4% of students have completed 8th grade and an average of 70.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Groesbeck, TX | 4,339 | 37% | 23.2% |
| Thornton, TX | 646 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Hot Springs, MT | 646 | 30% | 37.5% |
| Eureka, UT | 646 | 48% | 1.0% |
| Eminence, MO | 646 | 46% | 4.7% |
| Arnett, OK | 645 | 46% | 4.2% |
| Atlanta, MI | 647 | 32% | 33.3% |
| Thornton, TX | 646 | n/a |