| Index | Smithville | Mississippi | National |
| Average Test Scores | 63% | 40% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 893 | 79,221 |
| Total private schools | n/a | 206 | 24,874 |
| Total post-secondary schools | n/a | 68 | 7,963 |
| Index | Smithville | Mississippi | National |
| Completed 8th grade | 73.5% | 78.6% | 84.3% |
| Completed high school | 71.5% | 76.7% | 83.0% |
| Completed some college | 38.0% | 52.5% | 59.4% |
| Completed associate degree | 15.9% | 29.8% | 38.5% |
| Completed bachelors | 9.1% | 21.0% | 30.3% |
| Completed masters | 1.3% | 7.9% | 11.5% |
| Completed professional degree | 0.4% | 2.2% | 3.3% |
| Completed doctorate | 0.0% | 0.9% | 1.3% |
There are a total of n/a 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, MS schools is 63%. The average student to teacher ratio is n/a. In Smithville, MS, an average of 73.5% of students have completed 8th grade and an average of 71.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Mooreville, MS | 2,138 | 56% | 15.6% |
| Amory, MS | 6,873 | 54% | 11.5% |
| Fulton, MS | 3,968 | 48% | 1.0% |
| Tremont, MS | 508 | 47% | 2.1% |
| Nettleton, MS | 2,455 | 39% | 19.0% |
| Smithville, MS | 628 | 63% | 31.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Austin, PA | 628 | 55% | 14.6% |
| Raymondville, MO | 628 | 47% | 2.1% |
| Winona, TX | 628 | 30% | 38.5% |
| San Ardo, CA | 628 | 18% | 63.5% |
| Dalzell, IL | 628 | 55% | 14.6% |
| Smithville, MS | 628 | 63% | 31.3% |
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