| Index | Harper | Oregon | National |
| Average Test Scores | 35% | 46% | 48% |
| Student/Teacher ratio | n/a | 20:1 | 16:1 |
| Total public schools | n/a | 1,097 | 79,221 |
| Total private schools | n/a | 361 | 24,874 |
| Total post-secondary schools | n/a | 89 | 7,963 |
| Index | Harper | Oregon | National |
| Completed 8th grade | 94.6% | 86.3% | 84.3% |
| Completed high school | 89.2% | 85.4% | 83.0% |
| Completed some college | 56.8% | 66.1% | 59.4% |
| Completed associate degree | 35.1% | 39.9% | 38.5% |
| Completed bachelors | 17.6% | 31.4% | 30.3% |
| Completed masters | 1.4% | 11.9% | 11.5% |
| Completed professional degree | 0.0% | 3.6% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a 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, OR schools is 35%. The average student to teacher ratio is n/a. In Harper, OR, an average of 94.6% of students have completed 8th grade and an average of 89.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Harper, OR | 104 | 35% | 27.1% |
| City | Population | Avg. Test Scores | National Avg. |
| Moffat, CO | 104 | 27% | 43.8% |
| Cantrall, IL | 104 | 45% | 6.3% |
| Des Moines, NM | 104 | 65% | 35.4% |
| Buckhorn, KY | 104 | 51% | 6.3% |
| Rosendale, MO | 104 | 47% | 1.7% |
| Harper, OR | 104 | 35% | 27.1% |
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