| Index | Gaffney | South Carolina | National |
| Average Test Scores | 38% | 47% | 48% |
| Student/Teacher ratio | 15:1 | 16:1 | 16:1 |
| Total public schools | 15 | 932 | 79,221 |
| Total private schools | 2 | 369 | 24,874 |
| Total post-secondary schools | 1 | 96 | 7,963 |
| Index | Gaffney | South Carolina | National |
| Completed 8th grade | 77.2% | 83.0% | 84.3% |
| Completed high school | 74.7% | 81.6% | 83.0% |
| Completed some college | 46.1% | 56.6% | 59.4% |
| Completed associate degree | 26.2% | 35.6% | 38.5% |
| Completed bachelors | 22.2% | 26.5% | 30.3% |
| Completed masters | 8.5% | 9.6% | 11.5% |
| Completed professional degree | 3.4% | 2.5% | 3.3% |
| Completed doctorate | 1.0% | 1.1% | 1.3% |
There are a total of 15 public schools, 2 private schools and 1 post-secondary schools in Gaffney. Using the proficiency score averages, the average test scores for Gaffney, SC schools is 38%. The average student to teacher ratio is 15:1. In Gaffney, SC, an average of 77.2% of students have completed 8th grade and an average of 74.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Chesnee, SC | 597 | 60% | 25.2% |
| Mayo, SC | 1,770 | 60% | 24.0% |
| Grover, NC | 588 | 55% | 13.5% |
| Cliffside, NC | 707 | 52% | 8.3% |
| Blacksburg, SC | 2,101 | 47% | 2.1% |
| Gaffney, SC | 12,733 | 38% | 20.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Windsor Locks, CT | 12,732 | 42% | 13.2% |
| Port Neches, TX | 12,729 | 54% | 12.1% |
| Franklin Park, NJ | 12,738 | 48% | 0.5% |
| Commerce, CA | 12,738 | 34% | 28.5% |
| Greenville, OH | 12,743 | 59% | 22.9% |
| Gaffney, SC | 12,733 | 38% | 20.5% |
Here are the best places to live in South Carolina
See the best places to live in Gaffney
These are the largest cities in South Carolina
Check out the 10 safest cities in South Carolina