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#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

Charter

Enrollment

110

Student-Teacher

15.7:1

Score

5.4

Grades

4th – 8th

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 metrics
Student Progress1.5Significantly Below Average40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change-6.16 pts/yr
Data Period2019–2025
TrendDeclining
Academics8.6Excellent35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency58.1%
Reading/ELA Proficiency58.1%
Math vs. State Avg+26.3 pts
Reading vs. State Avg+15.1 pts
Overall Proficiency58%
Expected (poverty-adj.)54%
vs. Expected+4.5 pts
Adjusted Percentile79th
Resources & Environment7.3Very Good25%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15.7:1
Per-Pupil Spending$13,472

Three Rivers Charter School — Students at Three Rivers Charter School score 58% proficient, which is above what's typical for similar communities (expected: 54%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

0%

Students qualifying for federal meal assistance

Test Scores OR OSAS (2024-25)

Math Proficiency 75.5%
School
State
31.8%
ELA Proficiency 81.8%
School
State
43.0%

Based on 8 test records from OR state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
97.5%
ELA
92%
2021*
Math
74.5%
ELA
95%
2022
Math
72%
ELA
82%
2025
Math
58.1%
ELA
58.1%

* 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.

Overall Score
5.4/10
27th percentile in OR
Academic
8.6/10
8.6/10
Growth
1.5/10
Below average
Environment
7.3/10
Above average

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 mi
School Distance Rating
STAFFORD ACADEMY Tualatin 0.4 mi
Stafford Primary School West Linn 0.7 mi 8.5
ARBOR SCHOOL OF ARTS & SCIENCES Tualatin 1.0 mi 6.9
Westridge Elementary School Lake Oswego 2.0 mi 9.0
Bridgeport Elementary School Tualatin 1.6 mi 7.2
Lakeridge High School Lake Oswego 2.2 mi 7.3
Athey Creek Middle School West Linn 1.9 mi 7.6
Palisades World Language School Lake Oswego 2.5 mi 5.8
Lakeridge Middle School Lake Oswego 2.3 mi 7.5
River Grove Elementary School Lake Oswego 2.2 mi 6.9
PARK ACADEMY Lake Oswego 3.0 mi 8.5
Lake Grove Elementary School Lake Oswego 3.2 mi 8.4
HORIZON CHRISTIAN ELEMEMTARY/MIDDLE SCHOOL Tualatin 2.5 mi 5.5
THE CHILDRENS HOUR ACADEMY Lake Oswego 2.9 mi
Trillium Creek Primary School West Linn 2.6 mi 6.0
INTERNATIONAL LEADERSHIP ACADEMY Lake Oswego 3.6 mi 7.0
Hallinan Elementary School Lake Oswego 3.2 mi 8.7
Rosemont Ridge Middle School West Linn 2.7 mi 6.6
Willamette Primary School West Linn 3.0 mi 7.8
Lake Oswego Middle School Lake Oswego 3.9 mi 7.9

Neighborhood 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.

11 schools nearby View map →

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
Data Year
2023–2024

District

West Linn-Wilsonville SD 3J
District Enrollment
9,057
Schools in District
17
Per-Pupil Spending
$15,948
District Rank
#16 of 16

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 methodology

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