| Index | Hermiston | Oregon | National |
| Average Test Scores | 51% | 46% | 48% |
| Student/Teacher ratio | 19:1 | 20:1 | 16:1 |
| Total public schools | 8 | 1,097 | 79,221 |
| Total private schools | 3 | 361 | 24,874 |
| Total post-secondary schools | n/a | 89 | 7,963 |
| Index | Hermiston | Oregon | National |
| Completed 8th grade | 72.4% | 86.3% | 84.3% |
| Completed high school | 70.6% | 85.4% | 83.0% |
| Completed some college | 53.1% | 66.1% | 59.4% |
| Completed associate degree | 27.8% | 39.9% | 38.5% |
| Completed bachelors | 17.7% | 31.4% | 30.3% |
| Completed masters | 6.9% | 11.9% | 11.5% |
| Completed professional degree | 1.5% | 3.6% | 3.3% |
| Completed doctorate | 0.9% | 1.5% | 1.3% |
There are a total of 8 public schools, 3 private schools and n/a post-secondary schools in Hermiston. Using the proficiency score averages, the average test scores for Hermiston, OR schools is 51%. The average student to teacher ratio is 19:1. In Hermiston, OR, an average of 72.4% of students have completed 8th grade and an average of 70.6% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Echo, OR | 577 | 60% | 24.0% |
| Stanfield, OR | 2,521 | 40% | 17.7% |
| Irrigon, OR | 1,904 | 34% | 29.7% |
| Umatilla, OR | 7,215 | 27% | 44.4% |
| Hermiston, OR | 17,512 | 51% | 5.5% |
| City | Population | Avg. Test Scores | National Avg. |
| Anoka, MN | 17,512 | 57% | 17.9% |
| South Houston, TX | 17,522 | 39% | 19.0% |
| Wailuku, HI | 17,523 | 43% | 11.3% |
| Kingsland, GA | 17,523 | 60% | 24.2% |
| Centerville, UT | 17,527 | 61% | 26.5% |
| Hermiston, OR | 17,512 | 51% | 5.5% |
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