| Index | Gaston | South Carolina | National |
| Average Test Scores | 15% | 47% | 48% |
| Student/Teacher ratio | 17:1 | 16:1 | 16:1 |
| Total public schools | 2 | 932 | 79,221 |
| Total private schools | n/a | 369 | 24,874 |
| Total post-secondary schools | n/a | 96 | 7,963 |
| Index | Gaston | South Carolina | National |
| Completed 8th grade | 78.7% | 83.0% | 84.3% |
| Completed high school | 74.9% | 81.6% | 83.0% |
| Completed some college | 47.3% | 56.6% | 59.4% |
| Completed associate degree | 21.3% | 35.6% | 38.5% |
| Completed bachelors | 12.5% | 26.5% | 30.3% |
| Completed masters | 2.8% | 9.6% | 11.5% |
| Completed professional degree | 0.2% | 2.5% | 3.3% |
| Completed doctorate | 0.0% | 1.1% | 1.3% |
There are a total of 2 public schools, n/a private schools and n/a post-secondary schools in Gaston. Using the proficiency score averages, the average test scores for Gaston, SC schools is 15%. The average student to teacher ratio is 17:1. In Gaston, SC, an average of 78.7% of students have completed 8th grade and an average of 74.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lexington, SC | 21,847 | 63% | 30.9% |
| West Columbia, SC | 17,782 | 45% | 6.9% |
| Columbia, SC | 134,057 | 41% | 14.5% |
| Cayce, SC | 13,964 | 37% | 22.6% |
| Pelion, SC | 1,076 | 37% | 23.4% |
| Gaston, SC | 2,074 | 15% | 68.2% |
| City | Population | Avg. Test Scores | National Avg. |
| New Glarus, WI | 2,074 | 49% | 1.7% |
| Moravian Falls, NC | 2,074 | 49% | 1.0% |
| Arcade, NY | 2,074 | 60% | 24.0% |
| Hampton, IL | 2,074 | 50% | 3.1% |
| Wakarusa, IN | 2,074 | 63% | 31.3% |
| Gaston, SC | 2,074 | 15% | 68.2% |
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