Enrollment
319
Oregon · 2024-25 NCES data
Other / mixed grade configuration · Mill City, OR
Santiam Junior/Senior High School
Federal NCES profile for Santiam Junior/Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
2024-25 NCES dataOther / mixed grade configurationNCES 410810000724
👥 S:T ratio 44
🌟 Gifted program 30
🎓 Counselors 68
📋 Attendance 0
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Santiam Junior/Senior High School earns 36/100 on the Resource Investment Index, with class sizes smaller than 82% of Oregon schools.
- #2 of 3
- public schools in Mill City · Resource Index
- 36
- Resource Index · Typical
- 13.9:1
- small classes for Oregon
- 68.6%
- free-lunch eligible
Santiam Junior/Senior High School has class sizes smaller than 82% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Santiam Junior/Senior High School ranks #2 of 3 public schools in Mill City, OR.
School address
District: Santiam Canyon Sd 129j · Oregon
NCES ID 410810000724 Verify on NCES CCD record →
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
13.9:1
vs 17.6:1 Oregon avg
-21% vs state
Free-lunch eligible
68.6%
vs 52.8% Oregon avg
+30% vs state
Student-teacher ratio in context
How Santiam Junior/Senior High School compares with Oregon and U.S. medians
What stands out at Santiam Junior/Senior High School
Santiam Junior/Senior High School is a higher-need, mid-sized combined-grade school in Mill City, Oregon, enrolling 319 students.
Class sizes run a bit leaner than typical: 13.9:1 puts it in the smaller third of Oregon schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 68.6% of students eligible for free meals.
With 319 students, its enrollment sits close to the Oregon median campus size.
Its Resource Investment Index sits near the middle of the pack among 1,273 scored Oregon schools.
Against 298 statewide peers matched on enrollment and economic need, it ranks mid-pack at #126.
Its student body is led by White (74%) and Hispanic or Latino (13%) (diversity index 43/100).
Counselor coverage is strong, about 160 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 49.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Santiam Canyon Sd 129j spends $3,448 per pupil, 81% below the Oregon average, a leaner-resourced district than most.
Among Mill City's public schools, it stands alongside Oregon Charter Academy (2,345 students): Santiam Junior/Senior High School is smaller than that campus by headcount and runs leaner classes (13.9:1 vs 18.3:1).
Santiam Canyon Sd 129j also operates Oregon Charter Academy (2,345 students) and Santiam Elementary School (249 students) alongside Santiam Junior/Senior High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Santiam Junior/Senior High School compares
Santiam Junior/Senior High School on the metrics families compare, against Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.9:1 | ▼ 21% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 68.6% | ▲ 30% | 52.8% | 51.7% |
| Enrollment | 319 | top 55% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.9:1
Leaner classes than 58% of US schools, a middle-of-the-pack class size.
319
Bigger than 35% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
68.6%
free-lunch eligible
- 30% above the Oregon average of 52.8%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
13.9:1
students per teacher
- 21% below state mean
Top 18% in Oregon - lower ratio than 82% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
49.5%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$3,448
per pupil, district-wide
- below Oregon avg of $18,086
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors2.0 FTE
Per 160 students, the combined health-and-guidance staffing load for this school.
Discipline context
11
in-school suspensions + 7 out-of-school
Suspension rate: 3.4 per 100 students. Combined in-school and out-of-school rate: 5.6 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 73.9%
Hispanic or Latino 12.9%
Two or More 9.7%
African American 1.6%
Native Hawaiian / Pacific Islander 0.9%
American Indian / Alaska Native 0.6%
Asian 0.3%
Largest group: White at 73.9% of enrollment.
Student-body diversity index 42.7/100
Simpson diversity index - at 42.7, Santiam Junior/Senior High School is less mixed than the Oregon school average of 47.1.
Programs
AP courses offered 1
Funding & spending
District-wide per-pupil expenditure for Santiam Canyon Sd 129j, which includes Santiam Junior/Senior High School.
$3,448
Per student
-81%
vs Oregon
Avg $18,086
-79%
vs U.S.
Avg $16,593
Revenue mix
Local 12.3%
State 83.1%
Federal 4.6%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Santiam Junior/Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Oregon Charter Academy | Larger | No free-lunch data | Higher S:T ratio |
| Santiam Elementary School | Similar size | Similar economic need | Higher S:T ratio |
Comparisons are relative to Santiam Junior/Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,345
- Students per teacher
- 18.3:1
- Resource Index
- 38/100
- Enrollment
- 249
- Students per teacher
- 15.6:1
- Resource Index
- 31/100
Similar other schools in Mill City
1 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Oregon, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~319 students)
Next steps
Verify locally before acting on Santiam Junior/Senior High School's federal record.
- Compare Santiam Junior/Senior High School against another school. Compare schools
- Santiam Canyon Sd 129j's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Santiam Junior/Senior High School
How many students attend Santiam Junior/Senior High School?
Santiam Junior/Senior High School has 319 students enrolled. It is a public school in Mill City, OR.
What is the student-teacher ratio at Santiam Junior/Senior High School?
The student-teacher ratio at Santiam Junior/Senior High School is 13.9:1, which is 21% lower than the Oregon average of 17.6:1 and 11% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Santiam Junior/Senior High School?
68.6% of students at Santiam Junior/Senior High School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Santiam Junior/Senior High School?
The largest demographic group at Santiam Junior/Senior High School is White at 73.9% of enrollment, in Mill City, OR.
What is the Resource Investment Index for Santiam Junior/Senior High School?
Santiam Junior/Senior High School has a Resource Investment Index of 36/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Santiam Junior/Senior High School rank among public schools in Mill City?
By Resource Investment Index, Santiam Junior/Senior High School ranks #2 of 3 public schools in Mill City, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Mill City on the city page.
Is Santiam Junior/Senior High School a good school?
Santiam Junior/Senior High School earns 36/100 on the Resource Investment Index, with class sizes smaller than 82% of Oregon schools. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Santiam Canyon Sd 129j?
Besides Santiam Junior/Senior High School, Santiam Canyon Sd 129j also operates Oregon Charter Academy (2,345 students) and Santiam Elementary School (249 students). See the Santiam Canyon Sd 129j district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.