Rainier Middle School

Rainier Middle School operates as a well-populated 6-8 campus in AUBURN, Washington, overseen by Auburn School District. Current enrollment sits at 907 students spanning grades 6 through 8. Compared to the state average of about 577 students per school, that is 57% above typical.

Rainier Middle School is one of 26 schools operated by Auburn School District, a district that instructs 18,174 students overall.

For racial and ethnic makeup, Rainier Middle School logs that the largest single group is White at 31%, but no single group is in the majority; the rest looks like 25% Asian, 22% Hispanic, 10% Black, 9% multiracial. The wider county runs roughly 55% White, putting the school's mix noticeably less White than the area baseline.

On the income-and-resources front, On paper, Rainier Middle School has 52 full-time-equivalent teachers, translating to a class-load average of around 17.5:1. The state averages around 18.9:1, so this campus is tighter than the state norm typical. Around 61% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. That share is higher than King County's rate of about 38%.

With demographic context factored in, Rainier Middle School is in the bottom 10% of Washington public schools. The BeatsExpectations model predicts schools with this FRL share to land around 39.5%; Rainier Middle School posts 27.4%, -12.2 points below that line.

In the area at large, community-level numbers for King County indicate median household income runs about $124,746, 57% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 5%. In all, King County runs 544 public schools (combined enrollment of about 278,492 students), of which Rainier Middle School is one.

The closest other public school is Hazelwood Elementary School, roughly 0.1 miles away. Within five miles, there are 8 other public schools. Among the 9 schools in that immediate cluster with test data (this one included), Rainier Middle School ranks 8th on composite proficiency, below the local average of 37.1%.

The campus sits in an inner-city setting.

Looking at the recent track record. Rainier Middle School's enrollment has changed only slightly since 2018, when it stood at 928 (now 907). The White share of enrollment edged down from 48% to 31% over that span. Class-load math has tightened: from 19.8:1 in 2018 to 17.5:1 in 2025.

In the discussion threads here, recent activity here tends to focus on school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.