| Index | O'Kean | Arkansas | National |
| Average Test Scores | n/a | 45% | 48% |
| Student/Teacher ratio | n/a | 14:1 | 16:1 |
| Total public schools | n/a | 860 | 79,221 |
| Total private schools | n/a | 165 | 24,874 |
| Total post-secondary schools | n/a | 98 | 7,963 |

| Index | O'Kean | Arkansas | National |
| Completed 8th grade | 76.4% | 80.7% | 84.3% |
| Completed high school | 70.7% | 79.0% | 83.0% |
| Completed some college | 43.6% | 50.5% | 59.4% |
| Completed associate degree | 21.4% | 27.9% | 38.5% |
| Completed bachelors | 15.7% | 21.5% | 30.3% |
| Completed masters | 0.0% | 7.6% | 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 O'Kean. Using the proficiency score averages, the average test scores for O'Kean, AR schools is n/a. The average student to teacher ratio is n/a. In O'Kean, AR, an average of 76.4% of students have completed 8th grade and an average of 70.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hoxie, AR | 2,671 | 43% | 10.9% |
| Pocahontas, AR | 6,845 | 42% | 12.8% |
| Walnut Ridge, AR | 5,240 | 42% | 13.0% |
| O'Kean, AR | 257 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Medina, ND | 257 | 40% | 16.7% |
| Sumner, MS | 257 | 22% | 55.2% |
| Clyde Park, MT | 257 | 55% | 14.6% |
| Boys Ranch, TX | 257 | 39% | 18.1% |
| Potrero, CA | 257 | 17% | 64.6% |
| O'Kean, AR | 257 | n/a |