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Honest take: what's the hardest part about being a student at Trillium Creek Primary School?
Community prompt from u/allk12. Replies below.
Enrollment
480
Elementary
DISTRICT 392 · STATE 321
SCHOOL COMMUNITY·WEST LINN-WILSONVILLE SD 3J·NCES 411317001825
Trillium Creek Primary School
1025 Rosemont Rd, West Linn, OR 97068 · (503) 673-7950 · Clackamas County
GRADES PK–05ELEMENTARY21-SUBURBREGULAR SCHOOL480 STUDENTS
B+
allk12 Grade
Scored higher than 72% of Oregon public elementary schools
- ATest scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- B-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Oregon public elementary schools
Student : Teacher
19.4:1
25 FTE teachers
DISTRICT 16.7:1 · STATE 16.5:1
Free / Reduced Lunch
14%
69 students
DISTRICT 35% · STATE 76%
Community
1
0 members
Enrollment and student:teacher ratio compared against other elementary schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 66 | 14% |
| Grade 1 | 76 | 16% |
| Grade 2 | 74 | 15% |
| Grade 3 | 88 | 18% |
| Grade 4 | 97 | 20% |
| Grade 5 | 79 | 16% |
This year's kindergarten class (66) is 16% smaller than its 5th grade class (79).
Student demographics
44%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 50% · STATE 59% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
OSAS 2024-25 . % ProficientEnglish Language Arts
62.4%
OR avg 43.0% . -1.2pp since 2023
Math
57.5%
OR avg 31.8% . -4.3pp since 2023
What this means: On the OSAS, Oregon's statewide test, about 62 of every 100 students at this school read and write at grade level and about 58 of 100 do math at grade level. Across all Oregon schools, those numbers are about 43 and 32. Reading and writing scores are down about 1 points since 2023, while math scores are down about 4 points.
OSAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 62.4% | 57.5% |
| 2023-24 | 63.6% | 61.8% |
% Proficient, all students and all tested grades.
Source: OSAS. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
57.9%
composite math + reading, all grades
Predicted
57.0%
based on OR schools with similar FRL share
Beats by
+0.9pp
above demographic expectation
What this means: About 58% of students here test proficient in math and reading, compared with the roughly 57% typical for Oregon schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Oregon's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Trillium Creek Primary School
Trillium Creek Primary School's state test result (57.9% proficient) is higher than 2 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Trillium Creek Primary School this school | 480 | 14.4% | 57.9% |
| Middleton Elementary School Sherwood | 395 | 12.7% | 62.1% |
| Hallinan Elementary School Lake Oswego | 364 | 15.9% | 74.7% |
| Portland Village School Portland | 408 | 21.6% | 40.3% |
| Forest Hills Elementary School Lake Oswego | 389 | 6.9% | 75.8% |
| City View Charter School Hillsboro | 409 | 15.2% | 47.5% |
Matched among Oregon elementary schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Trillium Creek Primary School ranks
Among elementary schools| Measure | This school | In Oregon | In Clackamas County |
|---|---|---|---|
| State test proficiency ranked highest first | 57.9% | #73 of 591 | #12 of 63 |
| Math proficiency ranked highest first | 57.5% | #86 of 646 ▼ 21 | #14 of 66 ▼ 1 |
| Reading proficiency ranked highest first | 62.4% | #106 of 646 ▼ 12 | #15 of 66 ▲ 1 |
| Enrollment ranked largest first | 480 | #87 of 710 | #11 of 67 |
| Students per teacher ranked fewest first | 19.4:1 | #497 of 587 | #48 of 62 |
| Diversity index ranked most diverse first | 44.4% | #379 of 587 | #38 of 62 |
| Free and reduced lunch ranked highest share first | 14.4% | #640 of 645 | #60 of 64 |
| Enrollment change since 2017-18 ranked steepest decline first | -21.8% | #213 of 493 | #20 of 43 |
Ranked against other public elementary schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
480
-21 (-4%) vs 2020
Student : Teacher
19.4:1
was 19.3:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 480 | 24.8 | 19.4:1 | 14% (69) |
| 2023-24 | 487 | 23.5 | 20.8:1 | 10% (48) |
| 2022-23 | 459 | 24.1 | 19.1:1 | 6% (27) |
| 2020-21 | 501 | 26 | 19.3:1 | 6% (30) |
| 2017-18 | 614 | 29.7 | 20.7:1 | 8% (48) |
| 2015-16 | 581 | 26 | 22.4:1 | 10% (56) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Trillium Creek Primary School.
Since 2017-18: students down 22% (614 to 480); teachers down 16% (29.7 to 24.8).
About Trillium Creek Primary School
In West Linn, Oregon, part of Clackamas County, Trillium Creek Primary School is an elementary school. It offers pre-K through 5 and has 480 students enrolled. By comparison, elementary schools in Oregon enroll about 321 students on average.
District-wide, West Linn-Wilsonville SD 3J has 17 schools and 8,842 students.
Of every 100 students at Trillium Creek Primary School, about 73 are White. Other reported shares: 12% multiracial, 9% Hispanic, and 5% Asian. On the diversity index, which measures the chance that two random students are from different groups, Trillium Creek Primary School scores 44%.
Its ratio of 19.4:1 is based on 24.8 full-time-equivalent teachers. Elementary schools in Oregon have an average ratio of 16.5:1. In all, 14% of students qualify for free or reduced-price lunch. That is lower than the 50% average for public schools in Clackamas County.
Trillium Creek Primary School earns a B+ on the allk12 Grade, which blends test scores, results against poverty-based expectations, and the three-year trend. It scored higher than 72% of Oregon public elementary schools.
The model predicts 57.0% for a school in Oregon with Trillium Creek Primary School's free or reduced-price lunch share. Trillium Creek Primary School posts 57.9%.
In Clackamas County, home to about 423,975 people, the median household earns about $103,517 a year, roughly 41% of adults have a four-year degree or more, and the share of residents below the poverty line is 5%. Trillium Creek Primary School shares Clackamas County with 117 other public schools.
The closest school to Trillium Creek Primary School is Rosemont Ridge Middle School, located about 0.4 miles away. There are at least 8 more public schools inside five miles. Local comparison: Trillium Creek Primary School ranks 3rd of 6 nearby schools, at 57.9% versus a 59.5% average.
NCES assigns Trillium Creek Primary School the locale Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.
Over the 4 years from 2020-21 to 2024-25, enrollment fell 4%.
The discussion board for Trillium Creek Primary School is open to topics like pickup and drop-off, after-school programs, and teacher feedback. Parents, students, alumni, and staff are welcome to post.
Clackamas County at a glance
View full county profilePopulation
423,975
Census ACS
Median income
$103,517
Household, ACS
Bachelor's+
41%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
118
57,601 students
Quick facts
Related schools
Other schools in West Linn-Wilsonville SD 3J
- West Linn High SchoolHigh · 1,809 students
- Wilsonville High SchoolHigh · 1,258 students
- Rosemont Ridge Middle SchoolMiddle · 699 students
- Boeckman Creek Primary SchoolElementary · 488 students
- Lowrie Primary SchoolElementary · 482 students
- Athey Creek Middle SchoolMiddle · 470 students
Other schools in West Linn
- West Linn High SchoolHigh · 1,809 students
- Rosemont Ridge Middle SchoolMiddle · 699 students
- Athey Creek Middle SchoolMiddle · 470 students
- Willamette Primary SchoolElementary · 384 students
- Sunset Primary SchoolElementary · 375 students
- Cedaroak Park Primary SchoolElementary · 348 students
Nearby schools
- Rosemont Ridge Middle School0.4 mi · 699
- Cedaroak Park Primary School1.3 mi · 348
- Sunset Primary School1.5 mi · 375
- Bolton Primary School1.6 mi · 222
- Heron Creek Program1.6 mi · 77
- West Linn High School1.8 mi · 1,809
Frequently asked questions
About Trillium Creek Primary SchoolHow many students attend Trillium Creek Primary School?
Trillium Creek Primary School enrolls approximately 480 students in grades PK-05.
Is Trillium Creek Primary School an elementary, middle, or high school?
Trillium Creek Primary School is an elementary school covering grades PK-05.
How many students per teacher at Trillium Creek Primary School?
Approximately 19.4:1 students per teacher at Trillium Creek Primary School.
What is the student diversity at Trillium Creek Primary School?
Student demographics at Trillium Creek Primary School are roughly 73% White, 9% Hispanic, 1% Black, 5% Asian, 12% Two or more.
What district is Trillium Creek Primary School in?
Trillium Creek Primary School is part of West Linn-Wilsonville SD 3J.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.