Average
#746 of 1,226 schools in OR
Trillium Creek Primary School
Elementary School · West Linn-Wilsonville SD 3J
1025 Rosemont Rd, West Linn, OR 97068
Enrollment
487
Student-Teacher
21.2:1
Score
6.0
Grades
Pre-K – 5th
Enrollment
487
Student-Teacher
21.2:1
Score
6.0
Grades
Pre-K – 5th
Updated
2022-23
Updated 2022-23
How this school compares
In West Linn
#8 of 10
public schools
Oregon elementary schools
#481 of 689
In district
#14 of 16
West Linn-Wilsonville SD 3J
Academic performance
9.0 / 10
Exceptional
About Trillium Creek Primary School
Trillium Creek Primary School serves 487 students from prekindergarten through fifth grade in West Linn, offering a strong academic foundation in this affluent Oregon community. With 23 full-time equivalent teachers maintaining a 21.2:1 student-teacher ratio, the school has earned recognition as one of the state's top-performing elementary schools, ranking 170th out of 1,231 Oregon schools and placing in the 86th percentile statewide. Academic achievement is particularly notable, with 73% of students demonstrating proficiency or above in English Language Arts and Reading, while 64% meet or exceed standards in Mathematics.
These strong performance levels have contributed to the school's impressive 9.6 out of 10 academic score and overall 7.5 out of 10 rating from MySchoolScout. The school draws from an educated community where 64% of residents hold bachelor's degrees or higher, reflecting the area's commitment to learning and educational excellence. With a median household income of $143,538 and low poverty rate of 5.5%, families in this ZIP code are well-positioned to support their children's educational journey.
Trillium Creek Primary School operates within West Linn's large suburban setting in Clackamas County, providing students with both academic rigor and the benefits of a well-established residential community.
What Parents Should Know
The student-teacher ratio at Trillium Creek Primary School is 21.2:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
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Data not available for this school
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Trillium Creek Primary School — Students at Trillium Creek Primary School score 60% proficient, which is above what's typical for similar communities (expected: 50%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
9.9%
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: 5.4/10.
How Trillium Creek Primary School Compares
See how Trillium Creek Primary School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 70% (2019) to 57.5% (2025). Reading/ELA proficiency has declined from 78% (2019) to 62.4% (2025).
Location
1025 Rosemont Rd, West Linn, OR 97068
Nearby Alternatives
Families considering Trillium Creek Primary School may also want to explore other elementary schools in the area. Cedaroak Park Primary School (rated 8.7/10, 1.3 miles away), which scores notably higher. Another option is Hallinan Elementary School (rated 8.7/10, 2.2 miles away, in nearby Lake Oswego), which scores notably higher. Additionally, Bolton Primary School (rated 8.5/10, 1.6 miles away), which scores notably higher. For more schools in West Linn, see our West Linn schools guide .
Nearby Schools
20 within 3.4 mi| School | Distance | Rating |
|---|---|---|
| Rosemont Ridge Middle School West Linn | 0.4 mi | 6.6 |
| Cedaroak Park Primary School West Linn | 1.3 mi | 8.7 |
| Harmony Academy Marylhurst | 1.9 mi | 4.5 |
| Sunset Primary School West Linn | 1.5 mi | 5.9 |
| SUNGARDEN MONTESSORI CHILDRENS HOUSE West Linn | 1.6 mi | — |
| Willamette Primary School West Linn | 2.2 mi | 7.8 |
| Riverside Elementary School Milwaukie | 2.1 mi | 7.8 |
| Hallinan Elementary School Lake Oswego | 2.2 mi | 8.7 |
| Bolton Primary School West Linn | 1.6 mi | 8.5 |
| Athey Creek Middle School West Linn | 2.1 mi | 7.6 |
| West Linn High School West Linn | 1.8 mi | 6.0 |
| New Urban High School Milwaukie | 3.0 mi | 6.5 |
| PARK ACADEMY Lake Oswego | 2.7 mi | 8.5 |
| Oregon City Service Learning Academy Oregon City | 2.9 mi | 5.4 |
| Lakeridge High School Lake Oswego | 2.6 mi | 7.3 |
| Putnam High School Milwaukie | 2.7 mi | 4.7 |
| Palisades World Language School Lake Oswego | 2.7 mi | 5.8 |
| Oak Grove Elementary Milwaukie | 3.5 mi | 7.9 |
| Stafford Primary School West Linn | 2.5 mi | 8.5 |
| John McLoughlin Elementary School Oregon City | 3.4 mi | 7.3 |
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 Trillium Creek Primary 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 |
|---|---|
| Durham Elementary School Tigard, OR | 6.0 |
| Edward Byrom Elementary School Tualatin, OR | 6.0 |
| Fullerton IV Elementary School Roseburg, OR | 6.0 |
| Highland Elementary School Grants Pass, OR | 6.0 |
| Highland School at Kenwood Elementary School Bend, OR | 6.0 |
| McCornack Elementary School Eugene, OR | 6.0 |
Frequently Asked Questions
Common questions about Trillium Creek Primary School
What grades does Trillium Creek Primary School serve?
Trillium Creek Primary School serves students in grades Pre-K through 5th.
How many students attend Trillium Creek Primary School?
Trillium Creek Primary School has an enrollment of approximately 487 students.
What is the student-teacher ratio at Trillium Creek Primary School?
The student-teacher ratio at Trillium Creek Primary School is 21.2:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Trillium Creek Primary School rank in OR?
Trillium Creek Primary School is ranked #746 out of 1,226 schools in OR.
What is Trillium Creek Primary School's MySchoolScout rating?
Trillium Creek Primary School has a composite rating of 6.0 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 Trillium Creek Primary School?
Based on the most recent state assessment data, Trillium Creek Primary School has 61.5% math proficiency and 70.1% reading/ELA proficiency.
Is Trillium Creek Primary School a charter school?
No, Trillium Creek Primary School is not a charter school. It is a traditional public school operated by the local school district.
Is Trillium Creek Primary School a Title I school?
No, Trillium Creek Primary School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Trillium Creek Primary School?
9.9% of students at Trillium Creek Primary School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
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
- Pre-K – 5th
- Enrollment
- 487
- Student-Teacher Ratio
- 21.2:1
- Teachers (FTE)
- 23
- Free/Reduced Lunch
- 9.9%
- Type
- regular
- Setting
- Large Suburb
- County
- Clackamas County
- Phone
- (503) 673-7950
- 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
- #14 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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