| Index | Monmouth | Oregon | National |
| Average Test Scores | 40% | 46% | 48% |
| Student/Teacher ratio | 21:1 | 20:1 | 16:1 |
| Total public schools | 3 | 1,097 | 79,221 |
| Total private schools | 1 | 361 | 24,874 |
| Total post-secondary schools | 1 | 89 | 7,963 |
| Index | Monmouth | Oregon | National |
| Completed 8th grade | 89.0% | 86.3% | 84.3% |
| Completed high school | 88.9% | 85.4% | 83.0% |
| Completed some college | 71.7% | 66.1% | 59.4% |
| Completed associate degree | 45.0% | 39.9% | 38.5% |
| Completed bachelors | 35.2% | 31.4% | 30.3% |
| Completed masters | 12.2% | 11.9% | 11.5% |
| Completed professional degree | 3.1% | 3.6% | 3.3% |
| Completed doctorate | 2.0% | 1.5% | 1.3% |
There are a total of 3 public schools, 1 private schools and 1 post-secondary schools in Monmouth. Using the proficiency score averages, the average test scores for Monmouth, OR schools is 40%. The average student to teacher ratio is 21:1. In Monmouth, OR, an average of 89.0% of students have completed 8th grade and an average of 88.9% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Turner, OR | 2,034 | 54% | 12.2% |
| Keizer, OR | 39,408 | 42% | 11.6% |
| Salem, OR | 171,806 | 42% | 12.9% |
| Dallas, OR | 16,612 | 39% | 18.8% |
| Jefferson, OR | 3,348 | 36% | 26.0% |
| Monmouth, OR | 10,411 | 40% | 17.7% |
| City | Population | Avg. Test Scores | National Avg. |
| Cape Canaveral, FL | 10,411 | 68% | 40.6% |
| Portage, WI | 10,412 | 47% | 3.1% |
| Frederick, CO | 10,414 | 35% | 26.7% |
| Fort Madison, IA | 10,407 | 63% | 31.3% |
| Oak Hills, CA | 10,415 | 47% | 2.1% |
| Monmouth, OR | 10,411 | 40% | 17.7% |
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