Rainier Jr/Sr High School

Rainier Jr/Sr High School is one of the compact senior highs in Rainier, Oregon, operated by Rainier SD 13, with 366 students on its rolls from grades 7 through 12. By comparison, Oregon's public schools average about 630 students each, so Rainier Jr/Sr High School sits 42% smaller than that benchmark.

Across the 2 schools in Rainier SD 13 (789 students total), Rainier Jr/Sr High School accounts for its share of the district's footprint.

In terms of who attends, Rainier Jr/Sr High School records that the student body is overwhelmingly White (82%). Other groups include 10% Hispanic, 5% multiracial. That mix tracks the wider county fairly closely.

Looking at the economic backdrop, On paper, Rainier Jr/Sr High School has 22 full-time-equivalent teachers, translating to a class-load average of around 16.6:1. The state averages around 19.8:1, so this campus is tighter than the state norm typical. Around 79% of the student body qualifies for free or reduced-price meals, which schools and policymakers use as a rough income-mix signal. Set against Columbia County (around 62%), the school's rate is somewhat above typical.

With demographic context factored in, Rainier Jr/Sr High School tracks the demographic baseline. The model predicts 31.9% given the school's FRL share; actual proficiency is 30.1%.

Zooming out to the county, ACS estimates for Columbia County put median household income runs about $87,458, about 20% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 6%. Rainier Jr/Sr High School is one of 23 public schools in Columbia County (combined enrollment of about 6,932 students).

Nearest neighbor: Hudson Park Elementary School, around 0.1 miles off. Within five miles, there are 8 other public schools.

Geographically, the school is in an outlying area.

Over the past 7-year window. Rainier Jr/Sr High School's enrollment has fell 13% since 2018, when it stood at 421 (now 366). Class-load math has tightened: from 18.1:1 in 2018 to 16.6:1 in 2025.

On the community side, recent activity here tends to focus on pickup logistics, teacher feedback, and after-school programs. Parents, students, alumni, and staff are welcome to weigh in.