Enrollment
480
Oregon · 2024-25 NCES data
2024-25 NCES data Other / mixed grade configuration NCES 411317001825
Trillium Creek Primary School — West Linn, OR
Federal NCES profile for Trillium Creek Primary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators — Resource Investment Index 40/100.
👥 Class size 24
🌟 Gifted program 70
🎓 Counselors 4
📋 Attendance 64
How this works: Each indicator above is scored 0–100 from federal NCES and CRDC data, then averaged into the Resource Investment Index. This measures resource allocation — staffing, programs, and support services — not standardized test scores or academic outcomes. Full methodology →
School address
District: West Linn-Wilsonville Sd 3j · Oregon
Public location data per NCES (National Center for Education Statistics) Common Core of Data. Verify the school's current address on the NCES CCD record.
Teachers (FTE)
24.0
Federal CCD staff survey
Students per teacher
19.1:1
vs 18.2:1 Oregon avg
+5% vs state
Free-lunch eligible
4.4%
vs 57.6% Oregon avg
-92% vs state
Student-teacher ratio in context
How Trillium Creek Primary School compares with Oregon and U.S. medians
The federal record — no proprietary index, no editorial formula.
PlainSchools publishes the actual federal measurements — enrollment, staffing, demographics, discipline, and finance — straight from the NCES Common Core of Data, CRDC, and F-33 surveys. No composite rating, no opinion-based score on top. You get the same raw numbers researchers and policymakers use, with benchmarks, spending context, and equity indicators computed from the same federal datasets. Full methodology linked below.
What this school's NCES data tells you
Trillium Creek Primary School reports 480 enrolled students to the National Center for Education Statistics (NCES) alongside 24.0 full-time-equivalent teachers, producing a 19.1:1 student-teacher ratio. That figure sits 5% above the Oregon state mean of 18.2:1, signalling larger average class loads than peers in the same state. Against the national 2024-25 average of 15.9:1, it is 20% higher, a useful calibration for families comparing districts across state lines.
Title I and federal lunch eligibility offer another window into the student body: 4.4% of pupils qualify for free meals, a proxy for household income that federal programs use to direct funding. The free-lunch share is 92% below the Oregon average and 92% below the national baseline. Counselor coverage works out to roughly 480 students per counselor, above the ASCA-recommended ceiling of 250:1. Chronic absenteeism — missing 10% or more of school days — stands at 14.6% according to the 2021-22 Civil Rights Data Collection.
On the finance side, the surrounding West Linn-Wilsonville Sd 3j spends $22,157 per pupil district-wide, below the Oregon average of $22,293 and above the national average of $19,490. Revenue comes 50.1% from local sources (property taxes), 46.8% from the state, and 3.1% from federal programs per the NCES F-33 finance survey. Taken together, these measurements produce a Resource Investment Index of 40/100 (D), calculated from 4 distinct NCES and CRDC indicators measuring resource allocation rather than academic outcomes.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Trillium Creek Primary School compares
Cross-validating school-level NCES values against Oregon state and U.S. national means lets readers see whether this school is an outlier or in line with peers.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 19.1:1 | ▲ 5% | 18.2:1 | 15.9:1 |
| Free-lunch eligible | 4.4% | ▼ 92% | 57.6% | 51.8% |
| Enrollment | 480 | top 75% | — | — |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
What the federal data reveals about equity at this school
Federal measurements — not ratings — surface the resource and opportunity picture. Below are the indicators that researchers, civil-rights monitors, and funding formulas use to assess equity.
Economic need
4.4%
free-lunch eligible
— 92% below the Oregon average of 57.6%
Below the 40% Title I threshold — federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
19.1:1
students per teacher
— 5% above state mean
Top 68% in Oregon — lower ratio than 32% of state schools
Between 15:1 and 20:1 — in line with the typical U.S. public-school staffing range.
Engagement
14.6%
chronically absent (missed 10%+ of school days)
Between 10–20% — above the pre-pandemic baseline of ~15% nationally but within the current U.S. range.
Funding equity
$22,157
per pupil, district-wide
— below Oregon avg of $22,293
Above the U.S. public-school average, reflecting higher local or state investment per enrolled student.
Support staff
Counselors1.0 FTE
Per 480 students — the combined health-and-guidance staffing load for this school.
Discipline context
1
in-school suspensions + 2 out-of-school
Suspension rate: 0.2 per 100 students. Combined in-school and out-of-school rate: 0.6 per 100 students. Reported via the Civil Rights Data Collection.
Overview
Enrollment 480 Top 75% in Oregon — larger than 25% of 1,277 state schools
Teachers (FTE) 24.0
Students per teacher 19.1:1 +5% vs state
Free-lunch eligible 4.4% -92% vs state
NCES ID 411317001825
Student demographics
White 72.9%
Two or More 11.7%
Hispanic or Latino 9.4%
Asian 5.0%
African American 1.0%
Largest group: White at 72.9% of enrollment.
Programs & staff
Gifted & talented Yes
Counselors (FTE) 1.0
Students per counselor 480:1
Discipline & special education
Chronically absent 14.6%
In-school suspensions 1
Out-of-school suspensions 2
Funding & spending
District-wide per-pupil expenditure for West Linn-Wilsonville Sd 3j, which includes Trillium Creek Primary School.
$22,157
Per student
-1%
vs Oregon
Avg $22,293
+14%
vs U.S.
Avg $19,490
Revenue mix
Local 50.1%
State 46.8%
Federal 3.1%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
Other Schools in This District
- Enrollment
- 1,809
- Students per teacher
- 23.2:1
- Enrollment
- 1,258
- Students per teacher
- 19.8:1
- Enrollment
- 699
- Students per teacher
- 20.9:1
- Enrollment
- 488
- Students per teacher
- 16.3:1
- Enrollment
- 482
- Students per teacher
- 19.1:1
Similar other schools in West Linn
5 comparable other schools (grades Mixed) serving the same city.
Willamette Primary School
Standard public school
384 students 19.4:1 students per teacher
Sunset Primary School
Standard public school
375 students 19.3:1 students per teacher
Cedaroak Park Primary School
Standard public school
348 students 18.1:1 students per teacher
Stafford Primary School
Standard public school
323 students 18.5:1 students per teacher
Bolton Primary School
Standard public school
222 students 15.5:1 students per teacher
Educator & family resources
In-depth guides on understanding NCES data, school choice, and education funding.
Understanding NCES data
How CCD, CRDC and EDFacts feed every public-school number you see.
Choose a school district
Eight signals that matter more than the overall ranking number.
How schools are funded
Title I, F-33, state aid formulas and what per-pupil spending really means.
Chronic absenteeism
Why missing 10% of school matters and how it varies by district.
Magnet vs charter vs traditional
Three school types, three funding models, three sets of trade-offs.
School discipline data
What CRDC suspension and expulsion records do and don't reveal.
Frequently asked questions about Trillium Creek Primary School
How many students attend Trillium Creek Primary School?
Trillium Creek Primary School has 480 students enrolled. It is a other school in West Linn, OR.
What is the student-teacher ratio at Trillium Creek Primary School?
The student-teacher ratio at Trillium Creek Primary School is 19.1:1, which is 5% higher than the Oregon average of 18.2:1 and 20% higher than the national average of 15.9:1.
What percentage of students receive free lunch at Trillium Creek Primary School?
4.4% of students at Trillium Creek Primary School are eligible for free lunch, compared to the Oregon average of 57.6%.
What is the racial and ethnic makeup of Trillium Creek Primary School?
The largest demographic group at Trillium Creek Primary School is White at 72.9%. The school serves a diverse student body in West Linn, OR.
What is the Resource Investment Index for Trillium Creek Primary School?
Trillium Creek Primary School has a Resource Investment Index of 40/100 (D) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. This index measures federal resource allocation — staffing levels, program availability, and support services — not standardized test scores or academic outcomes.