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Below Average

#1090 of 1,226 schools in OR

Santiam Junior/senior High School

High School · Santiam Canyon Sd 129j · Mill City, OR

A Santiam Canyon Sd 129j high school where students score 14 points below what's typical for similar communities.

PO Box 199, Mill City, OR 97360

  • Math 13% vs OR 32% (2025)
  • Reading 22% vs OR 43% (2025)
  • 69.5% 4-year graduation

Academics

Full Profile · 4/4 metrics
Student Progress7.2Very Good25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data15
Annual Change-2.47 pts/yr
Data Period2009–2025
TrendDeclining
Academics3.0Needs Improvement25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency13.4% (2025 OSAS)
Reading/ELA Proficiency22% (2025 OSAS)
Math vs. State Avg-18.4 pts
Reading vs. State Avg-21 pts
Overall Proficiency18% (2025 OSAS, Math+ELA)
Expected (poverty-adj.)32% (model expectation from 2025 OSAS)
vs. Expected-14.4 pts
Adjusted Percentile11th
College Readiness3.6Needs Improvement30%
Graduation rates, AP course participation, and IB availability.
View breakdown
4-Year Graduation Rate69.5%
AP Participation3.8%
IB ProgramNo
Resources & Environment2.4Needs Improvement20%
Student-teacher ratio, district spending per student, and attendance.
View breakdown
Student-Teacher Ratio13.6:1
District spending per student$4,458
Chronic Absenteeism53.5%

Students at Santiam Junior/senior High School score 18% proficient, which is below what's typical for similar communities (expected: 32%).

How we calculate scores →

2025 OSAS proficiency

Most recent published year. School vs. OR average.

Math Proficiency13%(2025 OSAS)
School
State
32%(2025 OSAS)
ELA Proficiency22%(2025 OSAS)
School
State
43%(2025 OSAS)

Trend

↓ Declining

Proficiency has fallen 17 points since 2020, to 18% in 2025, across a 17-year record (2009–2025).

Show all 15 years
2009
Math
35%
ELA
65%
2010
Math
65%
ELA
85%
2011
Math
50%
ELA
70%
2012
Math
47%
ELA
67%
2013
Math
42%
ELA
52%
2014
Math
22%
ELA
37%
2015
Math
17%
ELA
37%
2016
Math
17%
ELA
37%
2017
Math
22%
ELA
57%
2018
Math
32%
ELA
57%
2019
Math
32%
ELA
57%
2020*
Math
15%
ELA
55%
2021*
Math
15%
ELA
55%
2022
Math
12%
ELA
37%
2025
Math
13%
ELA
22%

Multi-year averages used by the rating model: math 29% (multi-year average, 2009-2025) · reading/ELA 53% (multi-year average, 2009-2025)

* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.

Based on 30 test records from OR state assessments and EdFacts (NCES).

Equity & diversity

Shown separately, not included in the overall score

Free/reduced lunch

68.3%

Students qualifying for federal meal assistance

How we rate schools

A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.

See how we rate

The neighborhood

Where Santiam Junior/senior High School sits, and what the surrounding area looks like.

Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.

Getting around & local context

  • Walk 46Car-Dependent
  • Bike 38Somewhat Bikeable
  • County Safety: Average592/100K

Powered byWalk Score

FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details

Source period: 2024. A newer release may be available.

Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)

Median income

$68,912

Median home value

$281,100

Median rent

$1,168/mo

College educated

11.4%

Homeownership

74%

Poverty rate

15.6%

ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 97360; this is area context, not an attendance boundary.

Programs & students

Programs & Offerings

Athletics9sports offered
5 boys'·4 girls'·9 teams (incl. JV)·CRDC via Urban Institute · SY 2021–22
Advanced STEM Courses3of 5 advanced subjects offered
Algebra II, Advanced Math, Calculus, Chemistry, Physics·CRDC via Urban Institute · SY 2021–22

Compare nearby

Nearby same-level schools

1 from a 5-mile search; district fallback available

SchoolScoreGradesDistanceEnrollmentCompare
Oregon Charter AcademyCharter · enrollment unverified5.4K–120.5 mi2,111Compare →

Distance is proximity only; it is not attendance eligibility.

Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.

Santiam Canyon Sd 129j

Schools in district
3
Rank in district
#2 of 3
District spending per student
$4,458NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
10.8%Census SAIPE · 2024

Santiam Junior/senior High School is listed in Santiam Canyon SD 129J; a district label does not verify attendance for an address.

About Santiam Junior/senior High School

Santiam Junior/senior High School is a public high school in Mill City, OR, part of Santiam Canyon Sd 129j, serving approximately 312 students in grades 6th-12th with a 13.6:1 student-teacher ratio. It holds a MySchoolScout rating of 4.1 out of 10 and ranks #1,090 of 1,226 schools in OR. State assessment records show 29% math proficiency (multi-year average, 2009-2025) and 53% reading/ELA proficiency (multi-year average, 2009-2025).

Frequently asked questions

Common questions about Santiam Junior/senior High School

What grades does Santiam Junior/senior High School serve?

Santiam Junior/senior High School serves students in grades 6th through 12th.

How many students attend Santiam Junior/senior High School?

Santiam Junior/senior High School has an enrollment of approximately 312 students.

What is the student-teacher ratio at Santiam Junior/senior High School?

The student-teacher ratio at Santiam Junior/senior High School is 13.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Santiam Junior/senior High School rank in OR?

Santiam Junior/senior High School ranks #1,090 of 1,226 schools in OR.

What is Santiam Junior/senior High School's MySchoolScout rating?

Santiam Junior/senior High School has a current MySchoolScout rating of 4.1 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.

What are the test scores at Santiam Junior/senior High School?

Based on loaded state assessment records, Santiam Junior/senior High School has 29% math proficiency (multi-year average, 2009-2025) and 53% reading/ELA proficiency (multi-year average, 2009-2025).

Is Santiam Junior/senior High School a charter school?

No, Santiam Junior/senior High School is not a charter school. It is a traditional public school operated by the local school district.

Is Santiam Junior/senior High School a Title I school?

No, Santiam Junior/senior High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Santiam Junior/senior High School?

68.3% of students at Santiam Junior/senior High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.

School factsNCES Common Core of Data (CCD) (SY 2023–24)

Grades
6th – 12th
Enrollment
312
Student-Teacher Ratio
13.6:1
Teachers (FTE)
23
Type
regular
Setting
Distant Rural
County
Linn County
Chronic Absenteeism (SY 2022-23)
53.5%
4-Year Graduation
69.5%
Area population (ZIP 97360)
2,362
Area average commute
33.3 min
Area median age
35.1
About this school's data

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2025 OSAS · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2025 OSAS · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
NCES EdFacts · Mixed source periods · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Available for part of the eligible units; results may not represent the full area.
  • Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
Neighborhood (income, housing, education)
U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
  • Older source: ACS 2019–2023 5-year estimates. Use as historical context.
  • Reported for the ZCTA for ZIP 97360; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2025; directory SY 2023–24

About our data · How we calculate scores

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