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Trillium Creek Primary School

Grades PK–05 · West Linn, OR · NCES 411317001825

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1025 Rosemont Rd · West Linn, OR 97068

At a glance

Reported students

480

NCES CCD 2024–25

Teachers (FTE)

24.8

NCES CCD 2024–25

Student–teacher ratio

19.4:1

Calculated; not a class-size measure

Grades served

PK–05

NCES preliminary directory 2025–26

School benchmarks

Oregon elementary enrollment

88th percentile

Compared with 713 same-level schools reporting enrollment.

District median enrollment

427

Trillium Creek Primary School: 480 reported students.

State peer staffing position

86th percentile

19.4:1 reported; state peer median 16.6:1. Ratio is not class size.

Historical enrollment and staffing · CRDC 2021–22

These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.

Students
450
Teachers (FTE)
23.5
Student–teacher ratio
19.1:1

What the reported data says about Trillium Creek Primary School

Trillium Creek Primary School is a public elementary school serving grades PK–05 in West Linn. It is one of 17 current school records connected to West Linn-Wilsonville SD 3J. NCES reports 480 students for 2024–25.

Among 713 elementary schools in Oregon with comparable records, this school is larger than the reported median of 328 students. Its enrollment is at approximately the 88th percentile for that peer group. Size describes the campus, not instructional quality.

The reported student–teacher ratio is 19.4:1, above the Oregon median of 16.6:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.

The largest reported race and ethnicity groups are White (72.7%) and multiracial (11.7%). English learners represent 0.7% of enrollment. Students served under IDEA represent 9.3%. These figures help families understand who the school serves; they are not rating inputs.

The 2021–22 civil-rights collection reports gifted and talented programming. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.

Questions worth asking Trillium Creek Primary School

  1. 1How do the reported 19.4:1 student–teacher ratio and 24.8 teacher FTE translate into actual class sizes by grade?
  2. 2Which advanced, gifted, career, arts, and computer-science courses are available this year, and how do students qualify?
  3. 3What counseling support is available today? The school reported 1 counselor FTE in 2021–22.
  4. 4What meal assistance, transportation, after-school, and family-support services are currently available?
Bring the full school visit checklist →

Enrollment needs

English learners
0.7%
Students with disabilities
9.3%
Free/reduced-price lunch
14.4%
Lunch program
Yes under Provision 2

Reported support staff

Counselors (FTE)
1
Nurses (FTE)
0
Psychologists (FTE)
0
Social workers (FTE)
0

CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.

Student demographics

Race and ethnicity share of reported enrollment

  • White72.7%
  • Hispanic9.4%
  • Black1%
  • Asian5%
  • American Indian / Alaska Native0%
  • Native Hawaiian / Pacific Islander0%
  • Multiracial11.7%

Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.

Programs reported by the school

Gifted and talented

Offered

CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.

Other schools in West Linn-Wilsonville SD 3J

Start with campuses at the same school level or with similar reported enrollment.

Lowrie Primary School

Elementary · Grades PK–05

482 reported students

Boeckman Creek Primary School

Elementary · Grades PK–05

488 reported students

Boones Ferry Primary School

Elementary · Grades PK–05

427 reported students

Willamette Primary School

Elementary · Grades PK–05

384 reported students

Sunset Primary School

Elementary · Grades PK–05

375 reported students

Cedaroak Park Primary School

Elementary · Grades PK–05

348 reported students

View all 17 district schools →