| Index | DeCordova | 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 | DeCordova | Texas | National |
| Completed 8th grade | 93.7% | 79.3% | 84.3% |
| Completed high school | 93.7% | 77.8% | 83.0% |
| Completed some college | 78.8% | 57.3% | 59.4% |
| Completed associate degree | 45.7% | 34.9% | 38.5% |
| Completed bachelors | 40.2% | 28.1% | 30.3% |
| Completed masters | 9.9% | 9.6% | 11.5% |
| Completed professional degree | 1.9% | 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 DeCordova. Using the proficiency score averages, the average test scores for DeCordova, TX schools is n/a. The average student to teacher ratio is n/a. In DeCordova, TX, an average of 93.7% of students have completed 8th grade and an average of 93.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Tolar, TX | 1,201 | 65% | 34.4% |
| Glen Rose, TX | 2,653 | 59% | 21.9% |
| Granbury, TX | 10,325 | 41% | 15.2% |
| Godley, TX | 1,080 | 39% | 18.1% |
| DeCordova, TX | 2,981 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Walsenburg, CO | 2,982 | 20% | 58.3% |
| De Leon Springs, FL | 2,982 | 45% | 7.3% |
| East Prairie, MO | 2,980 | 34% | 28.8% |
| Nocona, TX | 2,982 | 50% | 3.5% |
| Chevy Chase, MD | 2,979 | 69% | 43.0% |
| DeCordova, TX | 2,981 | n/a |
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