Summary:
ZIP code 97759 serves Sisters, Oregon, and contains three public schools — Sisters Elementary School (K–5, 491 students), Sisters Middle School (6–8, 260 students), and Sisters High School (9–12, 419 students) — for a total of 1,170 students, all within Sisters School District 6. The district as a whole ranks 8th of 141 Oregon districts, at the 94th percentile with 5 stars, and every school in this group is above the state average in ELA, math, science, and attendance.
Sisters Middle School has the strongest all-around profile: ELA 60.2% and science 60% proficient, chronic absenteeism of just 19.4%, the lowest student-teacher ratio (13.3), the highest per-student spending ($21,104), and a latest rank of 85th percentile (4 stars). Sisters High School shows the most dramatic improvement, climbing from the 21st percentile (1 star) to the 79th percentile (4 stars) in two years, with a 94.5% graduation rate versus the state's 83.0% — though its chronic absenteeism of 33.2% is above the district's 26.7%. Sisters Elementary School remains above state in every subject and in attendance, but its percentile rank has slipped from 82 to 75 to 71 over three years.
Science is the district-wide standout: middle and high school both report 60% all-grade science proficiency, roughly double the state's 30.6%, and elementary science is 43.5% versus 30.8%. Math lags behind ELA and science inside each school — middle school ELA is 60.2% but math 42.9%; high school ELA 49% but math 36.4% — yet all three still beat the state in math. Grade-level results show bright spots such as 4th grade ELA at 59.5% versus 43.5% statewide and 8th grade math at 57.3% versus 30%, alongside softer spots like 7th grade math at 30.1% versus 33.3% and 5th grade ELA at 46.3% versus 47.1%. Free/reduced lunch rates are tightly clustered near 52% at all three schools, so students arrive from broadly similar economic circumstances.
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