Average
#893 of 1,226 schools in OR
Three Rivers Charter School
Middle School · West Linn-Wilsonville SD 3J
2565 SW Ek Rd, West Linn, OR 97068
Enrollment
110
Student-Teacher
15.7:1
Score
5.4
Grades
4th – 8th
Enrollment
110
Student-Teacher
15.7:1
Score
5.4
Grades
4th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In West Linn
#10 of 10
public schools
Oregon middle schools
#138 of 207
In district
#16 of 16
West Linn-Wilsonville SD 3J
Academic performance
8.6 / 10
Exceptional
About Three Rivers Charter School
Three Rivers Charter School serves 110 students in grades 4 through 8 as a high-performing middle school charter in West Linn, Oregon. With just 7 full-time equivalent teachers, the school maintains an intimate 15.7:1 student-teacher ratio that allows for personalized attention and strong academic support. The school's exceptional academic performance speaks for itself, earning a 9.9/10 academic score and ranking #11 out of 1,231 schools statewide, placing it in the 99th percentile.
Students consistently excel across core subjects, with 82% achieving proficiency or above in ELA/Reading and 72% demonstrating proficiency in Math. This outstanding achievement has earned Three Rivers Charter School an impressive 8.6/10 overall rating. The school draws from West Linn's affluent suburban community, where families value education highly.
The surrounding 97068 ZIP code reflects this commitment, with 64% of residents holding bachelor's degrees or higher and a median household income of $143,538. The area's low 5.5% poverty rate and median home values of $701,300 indicate a stable, resource-rich community that supports educational excellence. Three Rivers Charter School operates in this large suburban setting of Clackamas County, benefiting from both the resources of an educated community and the flexibility that comes with its charter school status.
What Parents Should Know
With an enrollment of 110 students, Three Rivers Charter School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.
Three Rivers Charter School is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Three Rivers Charter School — Students at Three Rivers Charter School score 58% proficient, which is above what's typical for similar communities (expected: 54%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0%
Students qualifying for federal meal assistance
Test Scores OR OSAS (2024-25)
Based on 8 test records from OR state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 1.5/10.
How Three Rivers Charter School Compares
See how Three Rivers Charter School performs across key quality dimensions compared to state benchmarks.
Performance Trends
Math proficiency has declined from 97.5% (2019) to 58.1% (2025). Reading/ELA proficiency has declined from 92% (2019) to 58.1% (2025).
Location
2565 SW Ek Rd, West Linn, OR 97068
Nearby Alternatives
Families considering Three Rivers Charter School may also want to explore other middle schools in the area. Lake Oswego Middle School (rated 7.9/10, 3.9 miles away, in nearby Lake Oswego), which scores notably higher. Another option is Athey Creek Middle School (rated 7.6/10, 1.9 miles away), which scores notably higher. Additionally, Lakeridge Middle School (rated 7.5/10, 2.3 miles away, in nearby Lake Oswego), which scores notably higher. For more schools in West Linn, see our West Linn schools guide .
Nearby Schools
20 within 3.9 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 97068 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$145,877
Median Home Value
$760,900
Median Rent
$1,994/mo
Population
30,254
College Educated
62.9%
Homeownership
84.9%
Avg Commute
24.8 min
Poverty Rate
5.2%
Median Age
43.7
Community Profile
The community surrounding Three Rivers Charter School has a median household income of $145,877. It is a well-educated community where 63% of adults hold a bachelor's degree or higher. The median home value in the area is $760,900, with a median rent of $1,994/month. The local poverty rate of 5.2% is relatively low. The average commute for residents is 25 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Realms Middle School Bend, OR | 5.5 |
| Toledo Jr. High Toledo, OR | 5.3 |
| Waldport Middle School Waldport, OR | 5.6 |
| Colton Middle School Colton, OR | 5.0 |
| The Valley School of Southern Oregon Medford, OR | 5.0 |
| Glide Middle School Glide, OR | 6.4 |
Frequently Asked Questions
Common questions about Three Rivers Charter School
What grades does Three Rivers Charter School serve?
Three Rivers Charter School serves students in grades 4th through 8th.
How many students attend Three Rivers Charter School?
Three Rivers Charter School has an enrollment of approximately 110 students.
What is the student-teacher ratio at Three Rivers Charter School?
The student-teacher ratio at Three Rivers Charter School is 15.7:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Three Rivers Charter School rank in OR?
Three Rivers Charter School is ranked #893 out of 1,226 schools in OR.
What is Three Rivers Charter School's MySchoolScout rating?
Three Rivers Charter School has a composite rating of 5.4 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Three Rivers Charter School?
Based on the most recent state assessment data, Three Rivers Charter School has 75.5% math proficiency and 81.8% reading/ELA proficiency.
Is Three Rivers Charter School a charter school?
Yes, Three Rivers Charter School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Three Rivers Charter School a Title I school?
No, Three Rivers Charter School is not currently a Title I school.
Neighborhood Context
- City Safety
- Elevated (834/100K)
FBI UCR 2024. City-level (West Linn). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 4th – 8th
- Enrollment
- 110
- Student-Teacher Ratio
- 15.7:1
- Teachers (FTE)
- 7
- Type
- regular
- Setting
- Large Suburb
- County
- Clackamas County
- Phone
- (503) 673-7850
- Data Year
- 2023–2024
Resources & Links
District
West Linn-Wilsonville SD 3J- District Enrollment
- 9,057
- Schools in District
- 17
- Per-Pupil Spending
- $15,948
- District Rank
- #16 of 16
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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