| Index | Garner | North Carolina | National |
| Average Test Scores | 38% | 43% | 48% |
| Student/Teacher ratio | 15:1 | 15:1 | 16:1 |
| Total public schools | 10 | 1,895 | 79,221 |
| Total private schools | 1 | 510 | 24,874 |
| Total post-secondary schools | 1 | 183 | 7,963 |


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| Index | Garner | North Carolina | National |
| Completed 8th grade | 88.0% | 83.4% | 84.3% |
| Completed high school | 87.5% | 81.9% | 83.0% |
| Completed some college | 67.3% | 59.9% | 59.4% |
| Completed associate degree | 43.0% | 38.1% | 38.5% |
| Completed bachelors | 33.7% | 29.0% | 30.3% |
| Completed masters | 9.7% | 10.2% | 11.5% |
| Completed professional degree | 2.5% | 2.9% | 3.3% |
| Completed doctorate | 1.1% | 1.3% | 1.3% |
There are a total of 10 public schools, 1 private schools and 1 post-secondary schools in Garner. Using the proficiency score averages, the average test scores for Garner, NC schools is 38%. The average student to teacher ratio is 15:1. In Garner, NC, an average of 88.0% of students have completed 8th grade and an average of 87.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Morrisville, NC | 28,305 | 66% | 37.8% |
| Apex, NC | 57,037 | 65% | 35.0% |
| Cary, NC | 173,346 | 62% | 28.6% |
| Holly Springs, NC | 37,538 | 62% | 28.5% |
| Fuquay-Varina, NC | 29,773 | 48% | 0.5% |
| Garner, NC | 31,549 | 38% | 21.9% |
| City | Population | Avg. Test Scores | National Avg. |
| Galesburg, IL | 31,538 | 27% | 44.0% |
| Holladay, UT | 31,564 | 24% | 51.0% |
| Granger, IN | 31,533 | 82% | 71.7% |
| Fleming Island, FL | 31,515 | 72% | 50.5% |
| Gurnee, IL | 31,504 | 32% | 34.0% |
| Garner, NC | 31,549 | 38% | 21.9% |