| Index | Mission | Oregon | National |
| Average Test Scores | n/a | 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 | Mission | Oregon | National |
| Completed 8th grade | 74.8% | 86.3% | 84.3% |
| Completed high school | 74.8% | 85.4% | 83.0% |
| Completed some college | 56.7% | 66.1% | 59.4% |
| Completed associate degree | 27.4% | 39.9% | 38.5% |
| Completed bachelors | 13.9% | 31.4% | 30.3% |
| Completed masters | 3.6% | 11.9% | 11.5% |
| Completed professional degree | 0.4% | 3.6% | 3.3% |
| Completed doctorate | 0.0% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Mission. Using the proficiency score averages, the average test scores for Mission, OR schools is n/a. The average student to teacher ratio is n/a. In Mission, OR, an average of 74.8% of students have completed 8th grade and an average of 74.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Athena, OR | 1,293 | 53% | 9.4% |
| Helix, OR | 290 | 52% | 8.3% |
| Weston, OR | 600 | 44% | 8.3% |
| Pendleton, OR | 17,038 | 44% | 8.6% |
| Pilot Rock, OR | 1,330 | 36% | 25.5% |
| Mission, OR | 921 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Mesquite, NM | 921 | 42% | 12.5% |
| Glasford, IL | 921 | 38% | 21.2% |
| Dryden, VA | 921 | 82% | 70.8% |
| Valley Springs, SD | 920 | 85% | 77.1% |
| Royal Center, IN | 922 | 45% | 7.3% |
| Mission, OR | 921 | n/a |