| Index | Timmonsville | South Carolina | National |
| Average Test Scores | 28% | 47% | 48% |
| Student/Teacher ratio | 13:1 | 16:1 | 16:1 |
| Total public schools | 3 | 932 | 79,221 |
| Total private schools | n/a | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Timmonsville | South Carolina | National |
| Completed 8th grade | 71.6% | 83.0% | 84.3% |
| Completed high school | 71.2% | 81.6% | 83.0% |
| Completed some college | 34.7% | 56.6% | 59.4% |
| Completed associate degree | 14.1% | 35.6% | 38.5% |
| Completed bachelors | 9.8% | 26.5% | 30.3% |
| Completed masters | 0.7% | 9.6% | 11.5% |
| Completed professional degree | 0.0% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Timmonsville. Using the proficiency score averages, the average test scores for Timmonsville, SC schools is 28%. The average student to teacher ratio is 13:1. In Timmonsville, SC, an average of 71.6% of students have completed 8th grade and an average of 71.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lamar, SC | 1,123 | 49% | 2.4% |
| Darlington, SC | 6,000 | 47% | 2.3% |
| Florence, SC | 38,535 | 45% | 6.1% |
| Scranton, SC | 745 | 37% | 22.9% |
| Coward, SC | 549 | 35% | 27.1% |
| Timmonsville, SC | 2,464 | 28% | 41.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Crooksville, OH | 2,465 | 56% | 16.3% |
| Guyton, GA | 2,463 | 54% | 11.9% |
| Coats, NC | 2,463 | 35% | 27.1% |
| Pikeville, TN | 2,465 | 31% | 35.4% |
| Lincoln, AR | 2,465 | 41% | 14.6% |
| Timmonsville, SC | 2,464 | 28% | 41.7% |
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