Three Rivers Charter School
🇺🇸 Official data · 2025West Linn, Oregon 97068 · West Linn-Wilsonville SD 3J
#2 of 208 middle schools in Oregon
#570 of 15,369 nationally
About Three Rivers Charter School
Three Rivers Charter School is a charter middle located in West Linn, in the West Linn-Wilsonville SD 3J school district of Oregon, United States. It caters for Grades 4–8. In 2025 it enrolled 108 students. Publicly funded charter schools operating under a performance contract; free to attend.
Its Success Index (US) is 86.8 out of 100, placing it in the top 5% of middle schools in United States and 2nd of 208 ranked middle schools in Oregon. Its strongest component is math proficiency (100th percentile), and its weakest is students per teacher (35th percentile).
Other published figures: enrollment 108.
There are 10 schools in West Linn; Three Rivers Charter School ranks 1st of 10 scored schools there.
Success Index (US) breakdown
Each component is a percentile against middle schools across United States.
- Math proficiency (30%)97.5%
- Reading proficiency (30%)92%
- Community advantage (fewer free/reduced-price lunch) (25%)–
- Students per teacher (15%)21.6
The Success Index (US) summarises published data about a school community. It is not a measure of teaching quality. Read the methodology.
Published measures
All figures published for Three Rivers Charter School by the official sources.
- Enrollment
- 108
- Students enrolled in the latest NCES directory year.
- Students per teacher
- 21.6
- Enrollment divided by FTE teachers; not class size.
- Reading proficiency
- 92%
- Share of tested students proficient or above (all students, all grades).
- Math proficiency
- 97.5%
- Share of tested students proficient or above (all students, all grades).
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Schools near Three Rivers Charter School
Closest schools by straight-line distance, with their Success Index (US).
Stafford Primary School
West Linn · Public elementary · Grades PK–5
323 students · 1.2 km away
Riverside High School
Tualatin · Public high · Grades 9–12
160 students · 1.2 km away
Bridgeport Elementary School
Tualatin · Public elementary · Grades K–5
531 students · 2.6 km away
Athey Creek Middle School
West Linn · Public middle · Grades 6–8
470 students · 3.1 km away
Westridge Elementary School
Lake Oswego · Public elementary · Grades K–5
389 students · 3.2 km away
Lakeridge High School
Lake Oswego · Public high · Grades 9–12
1,241 students · 3.5 km away
River Grove Elementary School
Lake Oswego · Public elementary · Grades K–5
382 students · 3.6 km away
Lakeridge Middle School
Lake Oswego · Public middle · Grades 6–8
888 students · 3.7 km away
Palisades World Language School
Lake Oswego · Public elementary · Grades K–5
252 students · 3.9 km away
Trillium Creek Primary School
West Linn · Public elementary · Grades PK–5
480 students · 4.1 km away
Similar schools
Charter middle schools in Oregon with a comparable Enrollment.
Frequently asked questions
Is Three Rivers Charter School a good school?
Three Rivers Charter School has a Success Index (US) of 86.8 out of 100 (Top 5% of middle schools in United States) and ranks #2 of 208 in Oregon. The index summarises published data about the school community and, where available, attainment; it does not measure teaching quality, so visit the school and ask about support at your child's level.
Where does Three Rivers Charter School rank in Oregon?
Three Rivers Charter School ranks #2 of 208 middle schools in Oregon and #570 of 15,369 nationally on the Success Index (US) (2025 data).
How many students attend Three Rivers Charter School?
Three Rivers Charter School had 108 students in 2025.
Is Three Rivers Charter School a elementary school or a high school?
Three Rivers Charter School is classified as a middle covering Grades 4–8. It is a charter school.
What other schools are near Three Rivers Charter School?
There are 10 schools within 15 km of Three Rivers Charter School; they are listed on this page with their Success Index (US) and distance, and can be compared side by side.