Cooper Mountain Elementary School

Set in Beaverton, Oregon, Cooper Mountain Elementary School is a mid-tier K-5 school, operated by Beaverton SD 48J. It caters to 384 students across grades K through 5.

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

In terms of who attends, Cooper Mountain Elementary School logs that 61% of the student body identifies as White; the rest looks like 12% multiracial, 12% Hispanic, 12% Asian, 2% Black. Compared to Washington County overall, the school's racial mix sits in roughly the same range.

Looking at school resources, On paper, Cooper Mountain Elementary School has 22 full-time-equivalent teachers, translating to a class-load average of around 17.9:1. The state averages around 16.5:1, so this campus is higher than the state norm typical. About 51% of enrolled students meet the income threshold for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal.

On a residual basis (actual vs predicted given the student mix), Cooper Mountain Elementary School sits in the middle band of the BeatsExpectations distribution. Schools with this campus's student mix typically land near 43.0%; this one delivers 49.6%.

In the surrounding community, the surrounding county (Washington County) reports that the typical household earns roughly $107,772 per year, about 48% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 5%. Across Washington County's 136 public schools (combined enrollment of about 79,469 students), Cooper Mountain Elementary School is one campus in the mix.

Errol Hassell Elementary School is the nearest neighboring public school, about 0.6 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Cooper Mountain Elementary School. Ranking that nearby cluster on reported proficiency puts Cooper Mountain Elementary School at 3rd of 9; the average score across the group is 38.1%.

Geographically, the school is in a high-density area.

Trend over the last 7 years. Looking back 7 years, enrollment at Cooper Mountain Elementary School has ticked down 27%, going from 527 students in 2018 to 384 in 2025. The student-to-teacher ratio narrowed from 18.9:1 in 2018 to 17.9:1 today.

In the discussion threads here, the feed for Cooper Mountain Elementary School typically covers science fair prep, picture-day reminders, and bus-route questions. Contributors range from current parents to recent graduates and teachers.