| Index | Three Rivers | 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 | Three Rivers | Oregon | National |
| Completed 8th grade | 82.4% | 86.3% | 84.3% |
| Completed high school | 81.8% | 85.4% | 83.0% |
| Completed some college | 57.7% | 66.1% | 59.4% |
| Completed associate degree | 28.3% | 39.9% | 38.5% |
| Completed bachelors | 21.1% | 31.4% | 30.3% |
| Completed masters | 11.1% | 11.9% | 11.5% |
| Completed professional degree | 0.6% | 3.6% | 3.3% |
| Completed doctorate | 0.6% | 1.5% | 1.3% |
There are a total of n/a public schools, n/a private schools and n/a post-secondary schools in Three Rivers. Using the proficiency score averages, the average test scores for Three Rivers, OR schools is n/a. The average student to teacher ratio is n/a. In Three Rivers, OR, an average of 82.4% of students have completed 8th grade and an average of 81.8% have completed high school.
| City | Population | Avg. Test Scores | National Avg. |
| Sunriver, OR | 1,183 | 61% | 27.1% |
| La Pine, OR | 2,975 | 33% | 31.0% |
| Three Rivers, OR | 3,368 | n/a |
| City | Population | Avg. Test Scores | National Avg. |
| Arbuckle, CA | 3,368 | 38% | 21.9% |
| Littleton Common, MA | 3,370 | 66% | 36.5% |
| Heyburn, ID | 3,365 | 23% | 52.1% |
| Cleves, OH | 3,371 | 69% | 43.8% |
| Carthage, NY | 3,364 | 52% | 8.6% |
| Three Rivers, OR | 3,368 | n/a |
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