Three Rivers Charter School
Score 92.3/100: better than 92% of Oregon middle schools on 2025-26 state tests. Schools are only compared with others of the same type in the same state. How we score schools
Performance (state tests, 2025-26)
% proficient on state tests in Oregon, all students. Colored bars are green when the school is at or above the average for similar Oregon schools.
Results over time
How this school's published results have moved year by year.
All 15 published results by grade and test
As published by Oregon Department of Education. "Hidden" means the state didn't publish the result to protect student privacy.
| Subject | Grade | Test | Result | Students tested |
|---|---|---|---|---|
| English language arts | Grade 4 | OSAS | 70.6 | 17 |
| English language arts | Grade 5 | OSAS | 75 | 24 |
| English language arts | Grade 6 | OSAS | 51.9 | 27 |
| English language arts | Grade 7 | OSAS | 56.5 | 23 |
| English language arts | Grade 8 | OSAS | 73.3 | 15 |
| English language arts | All grades | OSAS | 64.2 | 106 |
| Math | Grade 4 | OSAS | 82.4 | 17 |
| Math | Grade 5 | OSAS | 66.7 | 24 |
| Math | Grade 6 | OSAS | 40.7 | 27 |
| Math | Grade 7 | OSAS | 52.2 | 23 |
| Math | Grade 8 | OSAS | 46.7 | 15 |
| Math | All grades | OSAS | 56.6 | 106 |
| Science | Grade 5 | OSAS | 58.3 | 24 |
| Science | Grade 8 | OSAS | 46.7 | 15 |
| Science | All grades | OSAS | 53.8 | 39 |
School profile
- Grades
- 4-8
- Students
- 110
- Type
- Middle school
- Charter school
- Yes
- Program
- Regular
Students
District and location
Contact
West Linn, OR 97068
"Typical" is the middle (median) middle school in Oregon. Higher or lower is not in itself better or worse. Address, phone and website are as the state reported them to the U.S. Department of Education for 2024-25, so check with the school before visiting. School details: U.S. Department of Education, Common Core of Data (enrollment 2023-24).
Nearby middle schools
Straight-line distance. Check the district's attendance zones: living close to a school doesn't guarantee a place.
Explore schools around West Linn
Location
Official sources
Every figure on this page comes from published government data. Check the originals here; we refresh when states release new results.
U.S. Department of Education, National Center for Education Statistics, Common Core of Data (CCD): school directory, grades served, enrollment and free/reduced-price lunch, 2023-24 and 2024-25. Spotted a mistake? Tell us.
Three Rivers Charter School at a glance
Three Rivers Charter School is a public middle school (a charter school) in West Linn, Oregon, serving grades 4-8. It is part of the West Linn-Wilsonville SD 3J school district. It has about 110 students (a typical Oregon middle school has 491).
In 2025-26 state tests, 64% in English language arts (similar schools: 43%) and 57% in math (similar schools: 31%) reached the state standard (% proficient). On our score, which compares it only with other Oregon middle schools, it scores 92.3 out of 100: better than 92% of them, ranking #16 of 202. Its English language arts result rose by 6 points from the year before. This overview is generated automatically from published state and federal data; figures are rounded, and you can check the originals via the official sources above.
Page updated 2026-10-12.