| Index | Hartley | Texas | National |
| Average Test Scores | 57% | 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 | Hartley | Texas | National |
| Completed 8th grade | 49.0% | 79.3% | 84.3% |
| Completed high school | 42.9% | 77.8% | 83.0% |
| Completed some college | 26.6% | 57.3% | 59.4% |
| Completed associate degree | 17.9% | 34.9% | 38.5% |
| Completed bachelors | 17.9% | 28.1% | 30.3% |
| Completed masters | 2.6% | 9.6% | 11.5% |
| Completed professional degree | 0.6% | 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 Hartley. Using the proficiency score averages, the average test scores for Hartley, TX schools is 57%. The average student to teacher ratio is n/a. In Hartley, TX, an average of 49.0% of students have completed 8th grade and an average of 42.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Channing, TX | 302 | 42% | 12.5% |
| Dalhart, TX | 8,740 | 37% | 22.2% |
| Hartley, TX | 513 | 57% | 18.8% |
| City | Population | Avg. Test Scores | National Avg. |
| Indianola, NE | 513 | 60% | 24.0% |
| Isleton, CA | 513 | 65% | 34.4% |
| Three Lakes, WI | 513 | 46% | 5.2% |
| Wheaton, MO | 513 | 26% | 46.4% |
| Micanopy, FL | 513 | 64% | 32.3% |
| Hartley, TX | 513 | 57% | 18.8% |