| Index | Marmaduke | Arkansas | National |
| Average Test Scores | 37% | 45% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 2 | 860 | 79,221 |
| Total private schools | n/a | 165 | 24,874 |
| Total post-secondary schools | n/a | 98 | 7,963 |
| Index | Marmaduke | Arkansas | National |
| Completed 8th grade | 78.2% | 80.7% | 84.3% |
| Completed high school | 76.2% | 79.0% | 83.0% |
| Completed some college | 38.7% | 50.5% | 59.4% |
| Completed associate degree | 14.8% | 27.9% | 38.5% |
| Completed bachelors | 7.7% | 21.5% | 30.3% |
| Completed masters | 1.7% | 7.6% | 11.5% |
| Completed professional degree | 0.6% | 2.2% | 3.3% |
| Completed doctorate | 0.2% | 0.9% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Marmaduke. Using the proficiency score averages, the average test scores for Marmaduke, AR schools is 37%. The average student to teacher ratio is 16:1. In Marmaduke, AR, an average of 78.2% of students have completed 8th grade and an average of 76.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Paragould, AR | 28,821 | 46% | 3.3% |
| Piggott, AR | 3,579 | 43% | 9.9% |
| Rector, AR | 1,948 | 40% | 17.7% |
| Senath, MO | 1,721 | 30% | 38.0% |
| Cardwell, MO | 830 | 29% | 40.6% |
| Marmaduke, AR | 1,377 | 37% | 22.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Beggs, OK | 1,377 | 35% | 27.4% |
| Factoryville, PA | 1,377 | 56% | 16.7% |
| Jonesville, LA | 1,377 | 65% | 35.7% |
| St. John, KS | 1,377 | 27% | 43.8% |
| Bourne, MA | 1,377 | 51% | 6.3% |
| Marmaduke, AR | 1,377 | 37% | 22.4% |
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