Trillium Creek Primary School
West Linn, OR · Elementary School · Grades -1-5
Trillium Creek Primary School is a elementary school in West Linn, OR with 459 students enrolled and a 72% proficiency rate. Part of West Linn-Wilsonville SD 3J. NCES data from the U.S. Department of Education.
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About This School
Trillium Creek Primary School is a elementary school located in West Linn, Oregon. The school serves 459 students in grades -1-5. The student-to-teacher ratio is 19.1:1.
According to EDFacts assessment data, 72% of students meet grade-level proficiency standards in combined math and reading.
6% of students qualify for free or reduced-price lunch.
Trillium Creek Primary School is part of the West Linn-Wilsonville SD 3J in Oregon.
How This School Compares
Trillium Creek Primary School has 459 students enrolled, making it smaller than the average school in West Linn-Wilsonville SD 3J (566 students). Its 72% proficiency rate is 10 percentage points above the district average of 62%. Compared to the Oregon state average of 48%, the school performs 25 points higher.
Frequently Asked Questions
Trillium Creek Primary School has 459 students enrolled in grades -1-5. The student-to-teacher ratio is 19.1:1.
According to EDFacts data, 72% of students at Trillium Creek Primary School meet grade-level proficiency standards in combined math and reading assessments.
Trillium Creek Primary School is part of the West Linn-Wilsonville SD 3J in West Linn, Oregon. You can view all schools in this district on the district page.
All data on this page comes from the National Center for Education Statistics (NCES) Common Core of Data and EDFacts assessment results. These are official federal datasets published by the U.S. Department of Education.
School profiles are built from NCES directory data and EDFacts assessment results. Proficiency rates reflect combined math and reading performance. Graduation rates are reported for high schools with available data.
The this entity record above pulls directly from NCES Common Core of Data and EDFacts. What follows is the per-entity context — how this entity sits in the broader U.S. K-12 school outcomes and enrollment distribution and which underlying factors drive the headline numbers.
Every number on this page links back to NCES Common Core of Data and EDFacts; the methodology page describes the inputs, refresh cadence, and known limitations of the underlying data product.
For readers using this page as a decision input, the related-entity pages elsewhere on the site provide the comparison set. The most useful comparison for this entity is typically a peer within U.S. public schools and districts with similar size, similar exposure, or similar geography — not the national-level summary alone.
Source: NCES Common Core of Data, 2026.