| Index | Harper | Kansas | National |
| Average Test Scores | 42% | 35% | 48% |
| Student/Teacher ratio | 12:1 | 14:1 | 16:1 |
| Total public schools | 1 | 970 | 79,221 |
| Total private schools | n/a | 190 | 24,874 |
| Total post-secondary schools | n/a | 86 | 7,963 |
| Index | Harper | Kansas | National |
| Completed 8th grade | 80.7% | 87.4% | 84.3% |
| Completed high school | 79.6% | 86.1% | 83.0% |
| Completed some college | 44.9% | 63.7% | 59.4% |
| Completed associate degree | 22.6% | 39.8% | 38.5% |
| Completed bachelors | 12.9% | 31.6% | 30.3% |
| Completed masters | 5.5% | 11.4% | 11.5% |
| Completed professional degree | 0.4% | 3.0% | 3.3% |
| Completed doctorate | 0.0% | 1.2% | 1.3% |
There are a total of 1 public schools, n/a private schools and n/a post-secondary schools in Harper. Using the proficiency score averages, the average test scores for Harper, KS schools is 42%. The average student to teacher ratio is 12:1. In Harper, KS, an average of 80.7% of students have completed 8th grade and an average of 79.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Norwich, KS | 444 | 40% | 17.0% |
| Attica, KS | 679 | 35% | 27.6% |
| Argonia, KS | 509 | 33% | 32.3% |
| Anthony, KS | 2,146 | 26% | 46.4% |
| Harper, KS | 1,295 | 42% | 12.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Marcus, IA | 1,295 | 76% | 58.3% |
| Clinton, KY | 1,296 | 53% | 9.9% |
| Glenns Ferry, ID | 1,294 | 37% | 22.6% |
| Tennessee Ridge, TN | 1,296 | 27% | 43.8% |
| Sand Lake, MI | 1,296 | 35% | 28.1% |
| Harper, KS | 1,295 | 42% | 12.5% |
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