| Index | Umatilla | Oregon | National |
| Average Test Scores | 27% | 46% | 48% |
| Student/Teacher ratio | 17:1 | 20:1 | 16:1 |
| Total public schools | 3 | 1,097 | 79,221 |
| Total private schools | n/a | 361 | 24,874 |
| Total post-secondary schools | n/a | 89 | 7,963 |
| Index | Umatilla | Oregon | National |
| Completed 8th grade | 62.2% | 86.3% | 84.3% |
| Completed high school | 58.2% | 85.4% | 83.0% |
| Completed some college | 39.7% | 66.1% | 59.4% |
| Completed associate degree | 12.2% | 39.9% | 38.5% |
| Completed bachelors | 6.2% | 31.4% | 30.3% |
| Completed masters | 1.6% | 11.9% | 11.5% |
| Completed professional degree | 0.8% | 3.6% | 3.3% |
| Completed doctorate | 0.6% | 1.5% | 1.3% |
There are a total of 3 public schools, n/a private schools and n/a post-secondary schools in Umatilla. Using the proficiency score averages, the average test scores for Umatilla, OR schools is 27%. The average student to teacher ratio is 17:1. In Umatilla, OR, an average of 62.2% of students have completed 8th grade and an average of 58.2% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Echo, OR | 593 | 60% | 24.0% |
| Hermiston, OR | 18,009 | 51% | 5.5% |
| Stanfield, OR | 2,600 | 40% | 17.7% |
| Irrigon, OR | 1,949 | 34% | 29.7% |
| Umatilla, OR | 7,361 | 27% | 44.4% |
| City | Population | Avg. Test Scores | National Avg. |
| Seward, NE | 7,363 | 71% | 47.6% |
| Putnam, CT | 7,358 | 43% | 10.4% |
| Sappington, MO | 7,356 | 60% | 24.3% |
| Farr West, UT | 7,367 | 37% | 22.9% |
| Heber Springs, AR | 7,368 | 59% | 22.6% |
| Umatilla, OR | 7,361 | 27% | 44.4% |
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