| 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 | 360 | 47% | 2.1% |
| Baxter, TN | 1,579 | 33% | 30.9% |
| Woodbury, TN | 2,899 | 25% | 47.9% |
| Smithville, TN | 4,925 | 29% | 39.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Guerneville, CA | 4,924 | 39% | 19.3% |
| Franklin, NJ | 4,927 | 51% | 6.3% |
| Dallas, NC | 4,928 | 49% | 1.9% |
| Kanab, UT | 4,929 | 50% | 4.2% |
| Holts Summit, MO | 4,929 | 43% | 11.5% |
| Smithville, TN | 4,925 | 29% | 39.6% |