Santiam Junior/Senior High School

Santiam Junior/Senior High School is one of the tight-knit secondary schools in Mill City, Oregon, run under Santiam Canyon SD 129J, with 319 students on its rolls from grades 6 through 12. Compared to the state average of about 630 students per school, that is 49% leaner than typical.

Santiam Canyon SD 129J comprises 3 schools with combined enrollment of 2,913 students; Santiam Junior/Senior High School is among them.

Looking at the student body, Santiam Junior/Senior High School logs that White students make up the majority at 74%. Beyond that, the school lists 13% Hispanic, 10% multiracial. By comparison, Linn County as a whole is about 84% White, so the school skews considerably less White than its surroundings.

On the resource side, On paper, Santiam Junior/Senior High School has 24 full-time-equivalent teachers, translating to a class-load average of around 13.5:1. Statewide, the average ratio sits near 19.8:1, putting Santiam Junior/Senior High School tighter than the state norm the norm. An estimated 81% of students are eligible for free or reduced-price lunch, often used as a Title I proxy.

On a residual basis (actual vs predicted given the student mix), Santiam Junior/Senior High School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 31.1%, the actual is 17.4%, a residual of -13.7 points.

In the broader community, the surrounding county (Linn County) logs that the typical household earns roughly $76,329 per year, 22% of adults hold a bachelor's degree or higher, and census figures put the poverty rate at about 9%. Across Linn County's 48 public schools (combined enrollment of about 17,916 students), Santiam Junior/Senior High School is one campus in the mix.

Oregon Charter Academy is the nearest neighboring public school, about 0.5 miles from this campus. 2 of the 8 nearest public schools sit inside a five-mile radius. On composite proficiency, Santiam Junior/Senior High School comes 6th of 6 in the immediate cluster, beneath the nearby-schools average of 34.8%.

The campus sits in a small-town setting.

Over the past 7-year window. Looking back 7 years, enrollment at Santiam Junior/Senior High School has climbed 15%, going from 278 students in 2018 to 319 in 2025. White enrollment moved from 84% to 74% across the same window. The student-to-teacher ratio tightened from 16.7:1 in 2018 to 13.5:1 today.

On the community side, recent activity here tends to focus on sports schedules, lunch menu changes, and school spirit week. Anyone with firsthand experience at this school can post or comment.