| Index | McCaskill | 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 | McCaskill | Arkansas | National |
| Completed 8th grade | 41.0% | 80.7% | 84.3% |
| Completed high school | 39.3% | 79.0% | 83.0% |
| Completed some college | 9.8% | 50.5% | 59.4% |
| Completed associate degree | 3.3% | 27.9% | 38.5% |
| Completed bachelors | 0.0% | 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 McCaskill. Using the proficiency score averages, the average test scores for McCaskill, AR schools is n/a. The average student to teacher ratio is n/a. In McCaskill, AR, an average of 41.0% of students have completed 8th grade and an average of 39.3% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Delight, AR | 336 | 55% | 14.6% |
| Nashville, AR | 4,359 | 49% | 2.3% |
| Murfreesboro, AR | 1,905 | 46% | 4.7% |
| Blevins, AR | 396 | 36% | 25.5% |
| Prescott, AR | 2,995 | 29% | 39.6% |
| McCaskill, AR | 73 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Tuskahoma, OK | 73 | 13% | 74.0% |
| Wasta, SD | 73 | 50% | 4.2% |
| Brady, MT | 74 | 50% | 4.2% |
| Port Alexander, AK | 74 | 50% | 4.2% |
| Lumber Bridge, NC | 74 | 36% | 26.0% |
| McCaskill, AR | 73 | n/a |
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