Schools in Santiam Canyon SD 129J

3 public schools in this Oregon school district: 1 elementary · 2 combined. Ranked by our score, based on 2025-26 state test results.

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Rankings renumber to share equal ranks and fill gaps when schools are hidden. Scores compare each school with schools of the same type across Oregon.

Elementary schools

1 school in Santiam Canyon SD 129J

Santiam Elementary School 39.7

Mill City · Grades K-5 · 255 students

ELA 37%Math 35%Science 17%

#353 of 585 in Oregon

Combined schools

2 schools in Santiam Canyon SD 129J, best first

Oregon Charter Academy 85.3

Mill City · Grades K-12 · Charter · 2,111 students

ELA 50%Math 44%Science 48%

#14 of 92 in Oregon · #1 in Mill City

Santiam Junior/Senior High School 8.2

Mill City · Grades 6-12 · 312 students

ELA 16%Math 13%Science 3%

#85 of 92 in Oregon · #2 in Mill City

Cities and towns in Santiam Canyon SD 129J

Mill City, OR 3

Nearby school districts