| Index | Watts Mills | South Carolina | National |
| Average Test Scores | n/a | 47% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 932 | 79,221 |
| Total private schools | n/a | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Watts Mills | South Carolina | National |
| Completed 8th grade | 63.7% | 83.0% | 84.3% |
| Completed high school | 59.5% | 81.6% | 83.0% |
| Completed some college | 28.8% | 56.6% | 59.4% |
| Completed associate degree | 14.3% | 35.6% | 38.5% |
| Completed bachelors | 2.3% | 26.5% | 30.3% |
| Completed masters | 0.0% | 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 n/a public schools, n/a private schools and n/a post-secondary schools in Watts Mills. Using the proficiency score averages, the average test scores for Watts Mills, SC schools is n/a. The average student to teacher ratio is n/a. In Watts Mills, SC, an average of 63.7% of students have completed 8th grade and an average of 59.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Fountain Inn, SC | 10,127 | 59% | 21.9% |
| Ware Shoals, SC | 2,455 | 49% | 1.4% |
| Clinton, SC | 8,347 | 42% | 12.2% |
| Waterloo, SC | 181 | 37% | 22.9% |
| Laurens, SC | 8,863 | 37% | 23.6% |
| Watts Mills, SC | 1,970 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mackinaw, IL | 1,970 | 47% | 1.6% |
| Bristol, NH | 1,970 | 51% | 5.7% |
| Hagerstown, IN | 1,970 | 49% | 1.6% |
| Gibbon, NE | 1,971 | 43% | 9.9% |
| Liberty, KY | 1,971 | 58% | 20.4% |
| Watts Mills, SC | 1,970 | n/a |
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