Cedar Mill Elementary School

Located at 10265 NW Cornell Rd, in Portland, Oregon, Cedar Mill Elementary School is an average-sized K-5 school that educates 350 students (grades K through 5), overseen by Beaverton SD 48J.

Beaverton SD 48J runs 56 schools in total, collectively educating 37,479 students. Cedar Mill Elementary School is one of those campuses.

On demographics, Cedar Mill Elementary School records that the most-represented group is White (51%), with the rest of the student body spread across multiple groups. Other groups include 18% Asian, 17% Hispanic, 11% multiracial, 3% Black. That is noticeably less White than the county at large, where the share is closer to 64%.

Looking at the economic backdrop, Staff filings list 21 full-time-equivalent teachers, which works out to roughly 17.0:1 students per teacher. The state averages about 16.5:1, putting this campus right in line with peers. An estimated 51% of students are eligible for free or reduced-price lunch, a commonly cited indicator of low-income enrollment.

After controlling for student poverty, Cedar Mill 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 42.9%; Cedar Mill Elementary School posts 67.6%, +24.7 points above that line.

Across the wider county, the surrounding county (Washington County) records that median household income runs about $107,772, roughly 48% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. Across Washington County's 136 public schools (combined enrollment of about 79,469 students), Cedar Mill Elementary School is one campus in the mix.

Nearest neighbor: Tumwater Middle School, around 0.8 miles off. Within five miles, there are 8 other public schools. On composite proficiency, Cedar Mill Elementary School comes 4th of 9 in the immediate cluster, higher than the nearby-schools average of 58.9%.

The campus sits in a commuter-belt setting.

Looking at the recent track record. Over the past 7-year window, the student count declined 16%: 418 students in 2018 compared to 350 in 2025. The White share of enrollment fell from 59% to 51% over that span. Class-load math has pulled in: from 18.2:1 in 2018 to 17.0:1 in 2025.

Within the allk12 community for this school, members of the Cedar Mill Elementary School community share and discuss school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.