| Index | Clarksburg | Tennessee | National |
| Average Test Scores | 42% | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | n/a | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |
| Index | Clarksburg | Tennessee | National |
| Completed 8th grade | 74.6% | 82.0% | 84.3% |
| Completed high school | 70.0% | 79.9% | 83.0% |
| Completed some college | 24.4% | 53.2% | 59.4% |
| Completed associate degree | 11.9% | 32.2% | 38.5% |
| Completed bachelors | 9.6% | 25.4% | 30.3% |
| Completed masters | 5.0% | 9.3% | 11.5% |
| Completed professional degree | 1.7% | 2.8% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Clarksburg. Using the proficiency score averages, the average test scores for Clarksburg, TN schools is 42%. The average student to teacher ratio is n/a. In Clarksburg, TN, an average of 74.6% of students have completed 8th grade and an average of 70.0% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lexington, TN | 7,838 | 40% | 16.5% |
| Huntingdon, TN | 3,827 | 36% | 24.7% |
| Bruceton, TN | 1,175 | 36% | 25.5% |
| Trezevant, TN | 878 | 31% | 36.5% |
| Clarksburg, TN | 918 | 42% | 12.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Howe, OK | 918 | 26% | 45.8% |
| Steele, ND | 918 | 36% | 25.5% |
| Lawrence, MI | 918 | 41% | 13.9% |
| Alma, KS | 919 | 53% | 9.4% |
| Americus, KS | 917 | 37% | 22.9% |
| Clarksburg, TN | 918 | 42% | 12.5% |
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