| Index | De Kalb | Texas | National |
| Average Test Scores | 34% | 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 | De Kalb | Texas | National |
| Completed 8th grade | 81.5% | 79.3% | 84.3% |
| Completed high school | 80.8% | 77.8% | 83.0% |
| Completed some college | 46.0% | 57.3% | 59.4% |
| Completed associate degree | 18.5% | 34.9% | 38.5% |
| Completed bachelors | 14.6% | 28.1% | 30.3% |
| Completed masters | 3.0% | 9.6% | 11.5% |
| Completed professional degree | 0.6% | 2.6% | 3.3% |
| Completed doctorate | 0.3% | 1.1% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in De Kalb. Using the proficiency score averages, the average test scores for De Kalb, TX schools is 34%. The average student to teacher ratio is n/a. In De Kalb, TX, an average of 81.5% of students have completed 8th grade and an average of 80.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Avery, TX | 827 | 55% | 13.5% |
| Foreman, AR | 1,142 | 47% | 2.1% |
| New Boston, TX | 4,625 | 42% | 12.2% |
| De Kalb, TX | 1,616 | 34% | 29.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Langhorne, PA | 1,616 | 67% | 38.5% |
| Port Gibson, MS | 1,616 | 26% | 45.3% |
| Robbins, NC | 1,615 | 31% | 34.7% |
| East Canton, OH | 1,615 | 64% | 32.6% |
| Samson, AL | 1,615 | 44% | 8.7% |
| De Kalb, TX | 1,616 | 34% | 29.9% |
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