| 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 | 

 
				
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				| 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 | 7,745 | 52% | 8.0% | 
| White Salmon, WA | 2,601 | 52% | 7.8% | 
| Parkdale, OR | 308 | 50% | 3.1% | 
| Lyle, WA | 267 | 40% | 16.7% | 
| Klickitat, WA | 262 | 40% | 16.7% | 
| Mosier, OR | 687 | 52% | 8.3% | 
| City | Population | Avg. Test Scores | National Avg. | 
| Ponce de Leon, FL | 687 | 49% | 1.6% | 
| Goessel, KS | 687 | 42% | 12.5% | 
| Washington, OK | 687 | 41% | 14.6% | 
| Morrison, TN | 687 | 32% | 33.3% | 
| Eastover, SC | 686 | 30% | 38.5% | 
| Mosier, OR | 687 | 52% | 8.3% |