| Index | Garnett | Kansas | National |
| Average Test Scores | 38% | 35% | 48% |
| Student/Teacher ratio | 11:1 | 14:1 | 16:1 |
| Total public schools | 3 | 970 | 79,221 |
| Total private schools | 1 | 190 | 24,874 |
| Total post-secondary schools | n/a | 86 | 7,963 |
| Index | Garnett | Kansas | National |
| Completed 8th grade | 88.8% | 87.4% | 84.3% |
| Completed high school | 88.2% | 86.1% | 83.0% |
| Completed some college | 58.7% | 63.7% | 59.4% |
| Completed associate degree | 34.6% | 39.8% | 38.5% |
| Completed bachelors | 24.8% | 31.6% | 30.3% |
| Completed masters | 15.4% | 11.4% | 11.5% |
| Completed professional degree | 5.8% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 3 public schools, 1 private schools and n/a post-secondary schools in Garnett. Using the proficiency score averages, the average test scores for Garnett, KS schools is 38%. The average student to teacher ratio is 11:1. In Garnett, KS, an average of 88.8% of students have completed 8th grade and an average of 88.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Parker, KS | 554 | 47% | 2.1% |
| Williamsburg, KS | 342 | 45% | 6.3% |
| Richmond, KS | 524 | 43% | 9.9% |
| Greeley, KS | 354 | 40% | 16.7% |
| Westphalia, KS | 169 | 40% | 16.7% |
| Garnett, KS | 3,245 | 38% | 21.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Chickamauga, GA | 3,245 | 57% | 18.5% |
| Pendleton, SC | 3,245 | 58% | 20.1% |
| Kekaha, HI | 3,246 | 27% | 44.8% |
| Cornville, AZ | 3,247 | 35% | 28.1% |
| Nesquehoning, PA | 3,247 | 40% | 17.7% |
| Garnett, KS | 3,245 | 38% | 21.4% |
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