| Index | Gilbert | South Carolina | National |
| Average Test Scores | 49% | 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 | Gilbert | South Carolina | National |
| Completed 8th grade | 66.3% | 83.0% | 84.3% |
| Completed high school | 64.8% | 81.6% | 83.0% |
| Completed some college | 46.8% | 56.6% | 59.4% |
| Completed associate degree | 31.3% | 35.6% | 38.5% |
| Completed bachelors | 20.6% | 26.5% | 30.3% |
| Completed masters | 6.3% | 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 Gilbert. Using the proficiency score averages, the average test scores for Gilbert, SC schools is 49%. The average student to teacher ratio is n/a. In Gilbert, SC, an average of 66.3% of students have completed 8th grade and an average of 64.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Lexington, SC | 22,445 | 63% | 30.9% |
| Irmo, SC | 12,834 | 59% | 22.6% |
| Batesburg-Leesville, SC | 5,630 | 48% | = 100 |
| Pelion, SC | 1,104 | 37% | 23.4% |
| Monetta, SC | 258 | 35% | 27.6% |
| Gilbert, SC | 663 | 49% | 1.0% |
| City | Population | Avg. Test Scores | National Avg. |
| Merrillan, WI | 663 | 42% | 12.5% |
| Elgin, IA | 663 | 78% | 62.0% |
| Naches, WA | 663 | 53% | 10.8% |
| Palmyra, IL | 663 | 21% | 56.9% |
| Weir, MS | 663 | 37% | 22.9% |
| Gilbert, SC | 663 | 49% | 1.0% |