Sisters High School

Sisters High School is an intimate high school in Sisters, Oregon, operated by Sisters SD 6. The school teaches 419 students in grades 9 through 12. Enrollment runs roughly 33% smaller than the state mean of about 630.

Sisters SD 6 comprises 3 schools with combined enrollment of 1,170 students; Sisters High School is among them.

Looking at the student body, Sisters High School logs that nearly all students (82%) are White. Beyond that, the school reports 11% Hispanic, 4% multiracial.

Looking at school resources, Staff filings list 24 full-time-equivalent teachers, which works out to roughly 17.1:1 students per teacher. The state averages around 19.8:1, so this campus is tighter than the state norm typical. Roughly 52% of students at Sisters High School qualify for free or reduced-price lunch, which schools and policymakers use as a rough income-mix signal. That share is lower than Deschutes County's rate of about 60%.

Adjusting for the school's free-and-reduced-lunch share, Sisters High School tracks the demographic baseline. The model predicts 42.6% given the school's FRL share; actual proficiency is 31.0%.

In the broader community, ACS estimates for Deschutes County put median household earnings sit near $92,758, roughly 45% of adults have completed at least a four-year degree, and roughly 5% of residents live below the federal poverty line. Across Deschutes County's 53 public schools (combined enrollment of about 25,823 students), Sisters High School is one campus in the mix.

Nearest neighbor: Sisters Elementary School, around 0.2 miles off. Counting just inside five miles, 2 other public schools cluster around Sisters High School. On composite proficiency, Sisters High School comes 8th of 8 in the immediate cluster, beneath the nearby-schools average of 46.6%.

The campus sits in a countryside setting.

Trend over the last 7 years. Over the past 7-year window, the student count edged down 3%: 433 students in 2018 compared to 419 in 2025. Hispanic enrollment moved from 4% to 11% across the same window. The student-to-teacher ratio narrowed from 21.1:1 in 2018 to 17.1:1 today.

In the discussion threads here, members of the Sisters High School community share and discuss school events, parent volunteer needs, and clubs. Parents, students, alumni, and staff are welcome to weigh in.