| Index | De Kalb | Mississippi | National |
| Average Test Scores | 22% | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 893 | 79,221 |
| Total private schools | n/a | 206 | 24,874 |
| Total post-secondary schools | n/a | 68 | 7,963 |
| Index | De Kalb | Mississippi | National |
| Completed 8th grade | 76.4% | 78.6% | 84.3% |
| Completed high school | 73.0% | 76.7% | 83.0% |
| Completed some college | 43.4% | 52.5% | 59.4% |
| Completed associate degree | 23.0% | 29.8% | 38.5% |
| Completed bachelors | 17.3% | 21.0% | 30.3% |
| Completed masters | 6.9% | 7.9% | 11.5% |
| Completed professional degree | 2.4% | 2.2% | 3.3% |
| Completed doctorate | 1.0% | 0.9% | 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, MS schools is 22%. The average student to teacher ratio is n/a. In De Kalb, MS, an average of 76.4% of students have completed 8th grade and an average of 73.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Scooba, MS | 877 | 32% | 33.3% |
| De Kalb, MS | 945 | 22% | 54.9% |
| City | Population | Avg. Test Scores | National Avg. |
| King City, MO | 945 | 50% | 3.1% |
| Lakeview, MI | 946 | 48% | 0.5% |
| Crab Orchard, TN | 946 | 33% | 32.3% |
| Lake Andes, SD | 946 | 46% | 3.3% |
| Odessa, WA | 946 | 49% | 1.0% |
| De Kalb, MS | 945 | 22% | 54.9% |
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