| Index | Sumpter | Oregon | National |
| Average Test Scores | n/a | 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 | Sumpter | Oregon | National |
| Completed 8th grade | 92.3% | 86.3% | 84.3% |
| Completed high school | 88.5% | 85.4% | 83.0% |
| Completed some college | 53.8% | 66.1% | 59.4% |
| Completed associate degree | 18.7% | 39.9% | 38.5% |
| Completed bachelors | 11.0% | 31.4% | 30.3% |
| Completed masters | 0.0% | 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 Sumpter. Using the proficiency score averages, the average test scores for Sumpter, OR schools is n/a. The average student to teacher ratio is n/a. In Sumpter, OR, an average of 92.3% of students have completed 8th grade and an average of 88.5% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sumpter, OR | 250 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Creston, WA | 250 | 58% | 19.8% |
| Oakdale, TN | 251 | 21% | 57.3% |
| Larkspur, CO | 249 | 45% | 7.3% |
| Seneca, OR | 251 | 50% | 4.2% |
| West Sunbury, PA | 251 | 56% | 17.2% |
| Sumpter, OR | 250 | n/a |
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