| Index | Clarendon | Texas | National |
| Average Test Scores | 56% | 47% | 48% |
| Student/Teacher ratio | 11:1 | 14:1 | 16:1 |
| Total public schools | 3 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | 1 | 463 | 7,963 |
| Index | Clarendon | Texas | National |
| Completed 8th grade | 80.7% | 79.3% | 84.3% |
| Completed high school | 79.1% | 77.8% | 83.0% |
| Completed some college | 48.6% | 57.3% | 59.4% |
| Completed associate degree | 21.9% | 34.9% | 38.5% |
| Completed bachelors | 15.0% | 28.1% | 30.3% |
| Completed masters | 4.8% | 9.6% | 11.5% |
| Completed professional degree | 0.2% | 2.6% | 3.3% |
| Completed doctorate | 0.2% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and 1 post-secondary schools in Clarendon. Using the proficiency score averages, the average test scores for Clarendon, TX schools is 56%. The average student to teacher ratio is 11:1. In Clarendon, TX, an average of 80.7% of students have completed 8th grade and an average of 79.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hedley, TX | 245 | 60% | 25.0% |
| Clarendon, TX | 1,810 | 56% | 15.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Hamlin, TX | 1,810 | 37% | 22.9% |
| Louisa, VA | 1,810 | 78% | 61.8% |
| Stockton, MO | 1,810 | 49% | 1.0% |
| Loretto, TN | 1,810 | 34% | 28.6% |
| Crosbyton, TX | 1,810 | 30% | 38.5% |
| Clarendon, TX | 1,810 | 56% | 15.6% |
Here are the best places to live in Texas
See the best places to live in Clarendon
These are the largest cities in Texas
These are the 10 cheapest cities in Texas