| Index | Dumas | Mississippi | National |
| Average Test Scores | n/a | 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 | Dumas | Mississippi | National |
| Completed 8th grade | 74.0% | 78.6% | 84.3% |
| Completed high school | 70.8% | 76.7% | 83.0% |
| Completed some college | 44.2% | 52.5% | 59.4% |
| Completed associate degree | 19.7% | 29.8% | 38.5% |
| Completed bachelors | 12.9% | 21.0% | 30.3% |
| Completed masters | 6.3% | 7.9% | 11.5% |
| Completed professional degree | 0.0% | 2.2% | 3.3% |
| Completed doctorate | 0.0% | 0.9% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Dumas. Using the proficiency score averages, the average test scores for Dumas, MS schools is n/a. The average student to teacher ratio is n/a. In Dumas, MS, an average of 74.0% of students have completed 8th grade and an average of 70.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| New Albany, MS | 8,723 | 61% | 26.3% |
| Ripley, MS | 5,268 | 50% | 4.7% |
| Baldwyn, MS | 3,093 | 50% | 3.6% |
| Guntown, MS | 2,757 | 48% | 1.0% |
| Blue Mountain, MS | 1,222 | 45% | 7.3% |
| Dumas, MS | 404 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Walker, MO | 404 | 30% | 37.5% |
| Shidler, OK | 404 | 35% | 27.1% |
| Lynnville, TN | 404 | 40% | 16.1% |
| Thayer, KS | 405 | 35% | 28.1% |
| Good Hope, IL | 405 | 35% | 27.1% |
| Dumas, MS | 404 | n/a |
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