| Index | Smithville | Tennessee | National |
| Average Test Scores | 29% | 35% | 48% |
| Student/Teacher ratio | n/a | n/a | 16:1 |
| Total public schools | 4 | 1,390 | 79,221 |
| Total private schools | n/a | 430 | 24,874 |
| Total post-secondary schools | n/a | 189 | 7,963 |
| Index | Smithville | Tennessee | National |
| Completed 8th grade | 74.9% | 82.0% | 84.3% |
| Completed high school | 68.5% | 79.9% | 83.0% |
| Completed some college | 33.6% | 53.2% | 59.4% |
| Completed associate degree | 19.7% | 32.2% | 38.5% |
| Completed bachelors | 16.8% | 25.4% | 30.3% |
| Completed masters | 8.2% | 9.3% | 11.5% |
| Completed professional degree | 2.6% | 2.8% | 3.3% |
| Completed doctorate | 1.1% | 1.2% | 1.3% |
There are a total of 4 public schools, n/a private schools and n/a post-secondary schools in Smithville. Using the proficiency score averages, the average test scores for Smithville, TN schools is 29%. The average student to teacher ratio is n/a. In Smithville, TN, an average of 74.9% of students have completed 8th grade and an average of 68.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Liberty, TN | 348 | 47% | 2.1% |
| Baxter, TN | 1,540 | 33% | 30.9% |
| Woodbury, TN | 2,841 | 25% | 47.9% |
| Smithville, TN | 4,781 | 29% | 39.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Palos Park, IL | 4,779 | 61% | 26.6% |
| Stafford Springs, CT | 4,784 | 54% | 12.2% |
| Farmington, ME | 4,785 | 41% | 15.3% |
| Nelsonville, OH | 4,785 | 45% | 7.3% |
| East Merrimack, NH | 4,786 | 57% | 17.7% |
| Smithville, TN | 4,781 | 29% | 39.6% |
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