| Index | Clarksville | Indiana | National |
| Average Test Scores | 42% | 46% | 48% |
| Student/Teacher ratio | 16:1 | 22:1 | 16:1 |
| Total public schools | 5 | 1,755 | 79,221 |
| Total private schools | 2 | 675 | 24,874 |
| Total post-secondary schools | 1 | 141 | 7,963 |
| Index | Clarksville | Indiana | National |
| Completed 8th grade | 79.1% | 84.6% | 84.3% |
| Completed high school | 77.4% | 82.9% | 83.0% |
| Completed some college | 48.5% | 53.8% | 59.4% |
| Completed associate degree | 26.2% | 33.0% | 38.5% |
| Completed bachelors | 17.9% | 24.6% | 30.3% |
| Completed masters | 4.3% | 8.9% | 11.5% |
| Completed professional degree | 1.2% | 2.4% | 3.3% |
| Completed doctorate | 0.8% | 1.0% | 1.3% |
There are a total of 5 public schools, 2 private schools and 1 post-secondary schools in Clarksville. Using the proficiency score averages, the average test scores for Clarksville, IN schools is 42%. The average student to teacher ratio is 16:1. In Clarksville, IN, an average of 79.1% of students have completed 8th grade and an average of 77.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Anchorage, KY | 2,357 | 86% | 79.2% |
| Goshen, KY | 928 | 74% | 54.5% |
| Prospect, KY | 4,961 | 73% | 51.0% |
| Georgetown, IN | 3,305 | 65% | 34.9% |
| Greenville, IN | 1,380 | 65% | 34.4% |
| Clarksville, IN | 21,825 | 42% | 13.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Shelbyville, TN | 21,841 | 25% | 47.8% |
| Geneva, IL | 21,843 | 49% | 1.6% |
| Darien, IL | 21,843 | 48% | 0.2% |
| New Castle, PA | 21,805 | 57% | 18.5% |
| Rose Hill, VA | 21,846 | 85% | 76.0% |
| Clarksville, IN | 21,825 | 42% | 13.0% |
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