| Index | Smithville | Texas | National |
| Average Test Scores | 45% | 47% | 48% |
| Student/Teacher ratio | 13:1 | 14:1 | 16:1 |
| Total public schools | 5 | 7,418 | 79,221 |
| Total private schools | n/a | 1,267 | 24,874 |
| Total post-secondary schools | n/a | 463 | 7,963 |
| Index | Smithville | Texas | National |
| Completed 8th grade | 75.3% | 79.3% | 84.3% |
| Completed high school | 72.6% | 77.8% | 83.0% |
| Completed some college | 49.7% | 57.3% | 59.4% |
| Completed associate degree | 26.0% | 34.9% | 38.5% |
| Completed bachelors | 20.8% | 28.1% | 30.3% |
| Completed masters | 6.1% | 9.6% | 11.5% |
| Completed professional degree | 0.2% | 2.6% | 3.3% |
| Completed doctorate | 0.2% | 1.1% | 1.3% |
There are a total of 5 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, TX schools is 45%. The average student to teacher ratio is 13:1. In Smithville, TX, an average of 75.3% of students have completed 8th grade and an average of 72.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Bastrop, TX | 9,094 | 40% | 17.1% |
| Giddings, TX | 5,095 | 36% | 25.8% |
| Smithville, TX | 4,501 | 45% | 6.6% |
| City | Population | Avg. Test Scores | National Avg. |
| New Roads, LA | 4,500 | 42% | 12.5% |
| Jonesboro, LA | 4,503 | 44% | 8.1% |
| Louisburg, KS | 4,499 | 45% | 6.9% |
| Royal Pines, NC | 4,499 | 65% | 34.4% |
| Benton, KY | 4,498 | 44% | 8.1% |
| Smithville, TX | 4,501 | 45% | 6.6% |
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