| Index | Derby | Kansas | National |
| Average Test Scores | 38% | 35% | 48% |
| Student/Teacher ratio | 15:1 | 14:1 | 16:1 |
| Total public schools | 9 | 970 | 79,221 |
| Total private schools | 2 | 190 | 24,874 |
| Total post-secondary schools | n/a | 86 | 7,963 |
| Index | Derby | Kansas | National |
| Completed 8th grade | 93.0% | 87.4% | 84.3% |
| Completed high school | 92.4% | 86.1% | 83.0% |
| Completed some college | 76.8% | 63.7% | 59.4% |
| Completed associate degree | 50.8% | 39.8% | 38.5% |
| Completed bachelors | 41.4% | 31.6% | 30.3% |
| Completed masters | 11.8% | 11.4% | 11.5% |
| Completed professional degree | 2.2% | 3.0% | 3.3% |
| Completed doctorate | 0.8% | 1.2% | 1.3% |
There are a total of 9 public schools, 2 private schools and n/a post-secondary schools in Derby. Using the proficiency score averages, the average test scores for Derby, KS schools is 38%. The average student to teacher ratio is 15:1. In Derby, KS, an average of 93.0% of students have completed 8th grade and an average of 92.4% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Andover, KS | 13,609 | 51% | 6.8% |
| Maize, KS | 5,044 | 49% | 1.9% |
| Clearwater, KS | 2,437 | 40% | 16.7% |
| Bel Aire, KS | 8,082 | 40% | 17.2% |
| Mulvane, KS | 6,025 | 37% | 23.3% |
| Derby, KS | 24,428 | 38% | 21.6% |
| City | Population | Avg. Test Scores | National Avg. |
| Farmington, UT | 24,439 | 58% | 21.7% |
| Wilsonville, OR | 24,413 | 55% | 14.3% |
| Norfolk, NE | 24,410 | 57% | 18.5% |
| Trotwood, OH | 24,410 | 35% | 27.3% |
| Selma, CA | 24,405 | 33% | 32.2% |
| Derby, KS | 24,428 | 38% | 21.6% |
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