| Index | Gillsville | Georgia | National |
| Average Test Scores | n/a | 42% | 48% |
| Student/Teacher ratio | n/a | 16:1 | 16:1 |
| Total public schools | n/a | 2,164 | 79,221 |
| Total private schools | n/a | 515 | 24,874 |
| Total post-secondary schools | n/a | 192 | 7,963 |

| Index | Gillsville | Georgia | National |
| Completed 8th grade | 81.2% | 82.3% | 84.3% |
| Completed high school | 77.7% | 81.0% | 83.0% |
| Completed some college | 48.2% | 57.8% | 59.4% |
| Completed associate degree | 33.0% | 36.8% | 38.5% |
| Completed bachelors | 25.9% | 29.4% | 30.3% |
| Completed masters | 6.1% | 11.1% | 11.5% |
| Completed professional degree | 0.5% | 3.2% | 3.3% |
| Completed doctorate | 0.0% | 1.3% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Gillsville. Using the proficiency score averages, the average test scores for Gillsville, GA schools is n/a. The average student to teacher ratio is n/a. In Gillsville, GA, an average of 81.2% of students have completed 8th grade and an average of 77.7% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hoschton, GA | 2,083 | 67% | 39.3% |
| Jefferson, GA | 11,916 | 62% | 29.2% |
| Commerce, GA | 7,252 | 52% | 8.3% |
| Talmo, GA | 252 | 47% | 2.1% |
| Homer, GA | 1,656 | 44% | 9.4% |
| Gillsville, GA | 325 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| West Union, SC | 325 | 61% | 26.0% |
| Deal Island, MD | 325 | 40% | 16.7% |
| Donalds, SC | 325 | 58% | 19.8% |
| Texline, TX | 325 | 42% | 12.5% |
| Holland Patent, NY | 324 | 65% | 35.1% |
| Gillsville, GA | 325 | n/a |