Santiam Elementary School
School pathway
Test scores
OSAS 2024-25 . % ProficientWhat this means: On the OSAS, Oregon's statewide test, about 29 of every 100 students at this school read and write at grade level and about 27 of 100 do math at grade level. Across all Oregon schools, those numbers are about 43 and 32. Reading and writing scores are down about 5 points since 2023, while math scores are down about 5 points.
BeatsExpectations
Demographically-adjusted score · methodologyWhat this means: About 29% of students here test proficient in math and reading, compared with the roughly 31% typical for Oregon schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Oregon's top nor bottom 10%.
7-year change
SY 2017-18 vs SY 2024-25About Santiam Elementary School
Set in Mill City, Oregon, Santiam Elementary School is an intimate elementary-level community, operated by Santiam Canyon SD 129J. It teaches 249 students across grades K through 5. Enrollment runs roughly 22% leaner than the state mean of about 321.
Santiam Elementary School is one of 3 schools operated by Santiam Canyon SD 129J, a district that instructs 2,913 students overall.
Looking at the student body, Santiam Elementary School reports that 81% of students identify as White, making the school strongly White-majority. The remainder comes out to 8% Hispanic, 7% multiracial. That composition is broadly in line with Linn County as a whole.
Looking at school resources, The school lists 18 full-time-equivalent teachers, for a student-teacher ratio near 13.7:1. The state averages around 16.5:1, so this campus is tighter than the state norm typical. Around 82% of the student body qualifies for free or reduced-price meals, a commonly cited indicator of low-income enrollment.
On a residual basis (actual vs predicted given the student mix), Santiam Elementary School performs roughly as the BeatsExpectations model predicts for a school with this FRL share. The predicted value is around 30.8%, the actual is 29.2%, a residual of -1.6 points.
Zooming out to the county, ACS estimates for Linn County put the typical household earns roughly $76,329 per year, about 22% of the adult population holds a bachelor's degree or above, 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 Elementary School is one campus in the mix.
The closest other public school is Santiam Junior/Senior High School, roughly 3.2 miles away. Within five miles, there are 2 other public schools. Ranking that nearby cluster on reported proficiency puts Santiam Elementary School at 4th of 6; the average score across the group is 32.5%.
The school occupies a low-density site.
Trend over the last 7 years. Over the past 7-year window, the student count contracted 18%: 304 students in 2018 compared to 249 in 2025. The student-to-teacher ratio fell from 16.4:1 in 2018 to 13.7:1 today.
In the discussion threads here, recent activity here tends to focus on classroom updates, athletics, and weather closures. Members of the school community can share what they know.
Linn County at a glance
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Related schools
- Oregon Charter AcademyCombined · 2,345 students
- Santiam Junior/Senior High SchoolHigh · 319 students
- Oregon Charter AcademyCombined · 2,345 students
- Santiam Junior/Senior High SchoolHigh · 319 students
- Santiam Junior/Senior High School3.2 mi · 319
- Oregon Charter Academy3.5 mi · 2,345
- Mari-Linn School10.1 mi · 158
- Lourdes School13.8 mi · 36
- Silver Crest Elementary School17.3 mi · 119
- Stayton Elementary School18.9 mi · 332