| Index | Mosier | Oregon | National |
| Average Test Scores | 52% | 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 | Mosier | Oregon | National |
| Completed 8th grade | 79.3% | 86.3% | 84.3% |
| Completed high school | 78.8% | 85.4% | 83.0% |
| Completed some college | 55.2% | 66.1% | 59.4% |
| Completed associate degree | 31.9% | 39.9% | 38.5% |
| Completed bachelors | 14.2% | 31.4% | 30.3% |
| Completed masters | 8.0% | 11.9% | 11.5% |
| Completed professional degree | 3.4% | 3.6% | 3.3% |
| Completed doctorate | 2.1% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mosier. Using the proficiency score averages, the average test scores for Mosier, OR schools is 52%. The average student to teacher ratio is n/a. In Mosier, OR, an average of 79.3% of students have completed 8th grade and an average of 78.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Hood River, OR | 7,928 | 52% | 8.0% |
| White Salmon, WA | 2,670 | 52% | 7.8% |
| Parkdale, OR | 315 | 50% | 3.1% |
| Lyle, WA | 273 | 40% | 16.7% |
| Klickitat, WA | 272 | 40% | 16.7% |
| Mosier, OR | 701 | 52% | 8.3% |
| City | Population | Avg. Test Scores | National Avg. |
| Chrisney, IN | 701 | 72% | 50.0% |
| Adena, OH | 702 | 65% | 34.4% |
| El Rito, NM | 702 | 50% | 4.2% |
| Goochland, VA | 702 | 85% | 76.3% |
| Junction City, AR | 702 | 28% | 41.7% |
| Mosier, OR | 701 | 52% | 8.3% |