| Index | Seneca | South Carolina | National |
| Average Test Scores | 51% | 47% | 48% |
| Student/Teacher ratio | 14:1 | 16:1 | 16:1 |
| Total public schools | 8 | 932 | 79,221 |
| Total private schools | 2 | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Seneca | South Carolina | National |
| Completed 8th grade | 80.6% | 83.0% | 84.3% |
| Completed high school | 78.4% | 81.6% | 83.0% |
| Completed some college | 53.8% | 56.6% | 59.4% |
| Completed associate degree | 33.3% | 35.6% | 38.5% |
| Completed bachelors | 24.8% | 26.5% | 30.3% |
| Completed masters | 9.3% | 9.6% | 11.5% |
| Completed professional degree | 1.6% | 2.5% | 3.3% |
| Completed doctorate | 1.4% | 1.1% | 1.3% |
There are a total of 8 public schools, 2 private schools and n/a post-secondary schools in Seneca. Using the proficiency score averages, the average test scores for Seneca, SC schools is 51%. The average student to teacher ratio is 14:1. In Seneca, SC, an average of 80.6% of students have completed 8th grade and an average of 78.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Clemson, SC | 16,917 | 77% | 59.4% |
| Central, SC | 5,342 | 63% | 31.6% |
| Six Mile, SC | 960 | 61% | 26.0% |
| West Union, SC | 319 | 61% | 26.0% |
| Pendleton, SC | 3,245 | 58% | 20.1% |
| Seneca, SC | 8,424 | 51% | 6.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Donaldsonville, LA | 8,424 | 52% | 9.0% |
| North Haledon, NJ | 8,425 | 59% | 22.4% |
| Dalhart, TX | 8,422 | 37% | 22.2% |
| Fairless Hills, PA | 8,427 | 62% | 29.9% |
| Virginia, MN | 8,421 | 49% | 2.3% |
| Seneca, SC | 8,424 | 51% | 6.3% |
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