| Index | Clarksville | Arkansas | National |
| Average Test Scores | 41% | 45% | 48% |
| Student/Teacher ratio | 16:1 | 14:1 | 16:1 |
| Total public schools | 5 | 860 | 79,221 |
| Total private schools | 1 | 165 | 24,874 |
| Total post-secondary schools | 1 | 98 | 7,963 |
| Index | Clarksville | Arkansas | National |
| Completed 8th grade | 71.7% | 80.7% | 84.3% |
| Completed high school | 69.6% | 79.0% | 83.0% |
| Completed some college | 36.2% | 50.5% | 59.4% |
| Completed associate degree | 20.5% | 27.9% | 38.5% |
| Completed bachelors | 17.9% | 21.5% | 30.3% |
| Completed masters | 6.4% | 7.6% | 11.5% |
| Completed professional degree | 1.5% | 2.2% | 3.3% |
| Completed doctorate | 0.2% | 0.9% | 1.3% |
There are a total of 5 public schools, 1 private schools and 1 post-secondary schools in Clarksville. Using the proficiency score averages, the average test scores for Clarksville, AR schools is 41%. The average student to teacher ratio is 16:1. In Clarksville, AR, an average of 71.7% of students have completed 8th grade and an average of 69.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| London, AR | 768 | 65% | 35.4% |
| Scranton, AR | 271 | 53% | 10.9% |
| Lamar, AR | 1,696 | 48% | = 100 |
| Paris, AR | 3,403 | 46% | 4.5% |
| Hartman, AR | 558 | 34% | 30.2% |
| Clarksville, AR | 9,661 | 41% | 15.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Wapakoneta, OH | 9,662 | 72% | 49.2% |
| Hope, AR | 9,668 | 33% | 31.5% |
| West Perrine, FL | 9,653 | 27% | 43.8% |
| Key Largo, FL | 9,670 | 61% | 26.0% |
| Hamburg, NY | 9,672 | 65% | 35.8% |
| Clarksville, AR | 9,661 | 41% | 15.1% |
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