| Index | Clarksville | Tennessee | National |
| Average Test Scores | 44% | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 26 | 1,390 | 79,221 |
| Total private schools | 9 | 430 | 24,874 |
| Total post-secondary schools | 6 | 189 | 7,963 |
| Index | Clarksville | Tennessee | National |
| Completed 8th grade | 88.8% | 82.0% | 84.3% |
| Completed high school | 88.1% | 79.9% | 83.0% |
| Completed some college | 63.7% | 53.2% | 59.4% |
| Completed associate degree | 33.9% | 32.2% | 38.5% |
| Completed bachelors | 24.6% | 25.4% | 30.3% |
| Completed masters | 7.6% | 9.3% | 11.5% |
| Completed professional degree | 1.6% | 2.8% | 3.3% |
| Completed doctorate | 0.8% | 1.2% | 1.3% |
There are a total of 26 public schools, 9 private schools and 6 post-secondary schools in Clarksville. Using the proficiency score averages, the average test scores for Clarksville, TN schools is 44%. The average student to teacher ratio is n/a. In Clarksville, TN, an average of 88.8% of students have completed 8th grade and an average of 88.1% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Guthrie, KY | 1,301 | 61% | 26.0% |
| Clarksville, TN | 156,092 | 44% | 7.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Salinas, CA | 156,177 | 33% | 31.4% |
| Lakewood, CO | 155,733 | 35% | 27.3% |
| Lancaster, CA | 157,697 | 28% | 42.4% |
| Alexandria, VA | 158,309 | 72% | 49.0% |
| Hollywood, FL | 153,834 | 56% | 15.9% |
| Clarksville, TN | 156,092 | 44% | 7.4% |
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