River Grove Elementary School
Test scores
OSAS 2024-25 . % ProficientWhat this means: On the OSAS, Oregon's statewide test, about 64 of every 100 students at this school read and write at grade level and about 59 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 10 points since 2023, while math scores are down about 11 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 65% of students here test proficient in math and reading, well above the roughly 45% typical for Oregon schools with a similar share of low-income students. BeatsExpectations ranks schools against others at the same poverty level, not by raw scores, so a school can post high scores and still fall short of its prediction, or post lower scores and still beat it. This school clears its prediction by about 19 points, placing it in Oregon's top 10%.
7-year change
SY 2017-18 vs SY 2024-25About River Grove Elementary School
As a mid-tier primary school in Lake Oswego, Oregon, River Grove Elementary School teaches 382 students from grades K through 5, run under Lake Oswego SD 7J.
Across the 12 schools in Lake Oswego SD 7J (6,827 students total), River Grove Elementary School accounts for its share of the district's footprint.
On the student-mix side, River Grove Elementary School lists that the largest single group is White, at 63% of enrollment. Beyond that, the school lists 13% multiracial, 13% Asian, 9% Hispanic. That is visibly less White than the county at large, where the share is closer to 79%.
Looking at the economic backdrop, Staff filings list 28 full-time-equivalent teachers, which works out to roughly 13.8:1 students per teacher. Statewide, the average ratio sits near 16.5:1, putting River Grove Elementary School tighter than the state norm the norm. An estimated 45% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.
On a demographically-adjusted basis, River Grove Elementary School ranks in the top 10% of Oregon public schools. The BeatsExpectations model, a per-state regression of composite proficiency on FRL share, predicts schools with this student profile to land around 45.1%; River Grove Elementary School posts 64.6%, +19.5 points above that line.
Around the school, the surrounding county (Clackamas County) records that the typical household earns roughly $103,517 per year, about 41% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 5%. Across Clackamas County's 118 public schools (combined enrollment of about 57,601 students), River Grove Elementary School is one campus in the mix.
The closest other public school is Lakeridge Middle School, roughly 0.7 miles away. Within five miles, there are 8 other public schools. Among the 6 schools in that immediate cluster with test data (this one included), River Grove Elementary School ranks 3rd on composite proficiency, above the local average of 57.8%.
The campus sits in a commuter-belt setting.
Five-year trend. River Grove Elementary School's enrollment has fell 31% since 2018, when it stood at 556 (now 382). Over the same period, the White share contracted from 68% to 63%. Class-load math has pulled in: from 20.4:1 in 2018 to 13.8:1 in 2025.
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Clackamas County at a glance
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- Durham Elementary School1.5 mi · 471
- Creekside Community High School1.5 mi · 186
- Riverside High School1.7 mi · 160