Enrollment
260
Oregon · 2024-25 NCES data
Elementary school (grades K-5) · Sisters, OR
Sisters Middle School
Federal NCES profile for Sisters Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataElementary school (grades K-5)NCES 411149000943
👥 S:T ratio 55
🌟 Gifted program 70
🎓 Counselors 48
📋 Attendance 9
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Sisters Middle School earns 46/100 on the Resource Investment Index, with class sizes smaller than 93% of Oregon schools.
- #1 of 3
- public schools in Sisters · Resource Index
- 46
- Resource Index · Typical
- 11.3:1
- small classes for Oregon
- 27.7%
- free-lunch eligible
Sisters Middle School has class sizes smaller than 93% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Sisters Middle School ranks #1 of 3 public schools in Sisters, OR.
School address
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 17.6:1 Oregon avg
-36% vs state
Free-lunch eligible
27.7%
vs 52.8% Oregon avg
-48% vs state
Student-teacher ratio in context
How Sisters Middle School compares with Oregon and U.S. medians
What stands out at Sisters Middle School
Sisters Middle School is a mid-sized elementary school in Sisters, Oregon, enrolling 260 students.
Classes run notably small here: at 11.3:1, Sisters Middle School is leaner than roughly 93% of Oregon schools and 36% under the state's 17.6:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat below the state's typical profile, with 27.7% of students eligible for free meals.
Enrollment of 260 puts it in the smaller third of Oregon schools by headcount.
Its Resource Investment Index lands in the upper third of 1,273 scored Oregon schools.
Against 139 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #20.
Its student body is predominantly White (86% of enrollment) (diversity index 25/100).
Counselor coverage runs a bit thin, about 260 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 36.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Sisters's elementary schools, it stands alongside Sisters Elementary School (491 students): Sisters Middle School is smaller than that campus by headcount and runs leaner classes (11.3:1 vs 19.6:1).
Sisters Sd 6 also operates Sisters Elementary School (491 students) and Sisters High School (419 students) alongside Sisters Middle 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 Sisters Middle School compares
Sisters Middle 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 | 11.3:1 | ▼ 36% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 27.7% | ▼ 48% | 52.8% | 51.7% |
| Enrollment | 260 | top 66% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
11.3:1
Leaner classes than 81% of US schools, among the more generously staffed nationally.
260
Bigger than 27% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
27.7%
free-lunch eligible
- 48% below the Oregon average of 52.8%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
11.3:1
students per teacher
- 36% below state mean
Top 7% in Oregon - lower ratio than 93% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
36.2%
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
$15,622
per pupil, district-wide
- below Oregon avg of $18,086
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 260 students, the combined health-and-guidance staffing load for this school.
Discipline context
28
in-school suspensions + 17 out-of-school
Suspension rate: 10.8 per 100 students. Combined in-school and out-of-school rate: 17.3 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 86.2%
Hispanic or Latino 6.5%
Two or More 3.8%
American Indian / Alaska Native 1.9%
Native Hawaiian / Pacific Islander 1.2%
African American 0.4%
Largest group: White at 86.2% of enrollment.
Student-body diversity index 25.1/100
Simpson diversity index - at 25.1, Sisters Middle School is less mixed than the Oregon school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Sisters Sd 6, which includes Sisters Middle School.
$15,622
Per student
-14%
vs Oregon
Avg $18,086
-6%
vs U.S.
Avg $16,593
Revenue mix
Local 72.7%
State 22.2%
Federal 5.1%
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 Sisters Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Sisters Elementary School | Larger | Similar economic need | Higher S:T ratio |
| Sisters High School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Sisters Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 491
- Students per teacher
- 19.6:1
- Resource Index
- 26/100
- Enrollment
- 419
- Students per teacher
- 15.5:1
- Resource Index
- 46/100
Similar elementary schools in Sisters
1 comparable elementary schools (grades K-5) serving the same city.
Similar elementary 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 (~260 students)
Similar student-teacher ratio (~11.3:1)
Next steps
Verify locally before acting on Sisters Middle School's federal record.
- Compare Sisters Middle School against another school. Compare schools
- Sisters Sd 6'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 Sisters Middle School
How many students attend Sisters Middle School?
Sisters Middle School has 260 students enrolled. It is an elementary school in Sisters, OR.
What is the student-teacher ratio at Sisters Middle School?
The student-teacher ratio at Sisters Middle School is 11.3:1, which is 36% lower than the Oregon average of 17.6:1 and 28% 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 Sisters Middle School?
27.7% of students at Sisters Middle School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Sisters Middle School?
The largest demographic group at Sisters Middle School is White at 86.2% of enrollment, in Sisters, OR.
What is the Resource Investment Index for Sisters Middle School?
Sisters Middle School has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Sisters Middle School rank among public schools in Sisters?
By Resource Investment Index, Sisters Middle School ranks #1 of 3 public schools in Sisters, 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 Sisters on the city page.
Is Sisters Middle School a good school?
Sisters Middle School earns 46/100 on the Resource Investment Index, with class sizes smaller than 93% 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 Sisters Sd 6?
Besides Sisters Middle School, Sisters Sd 6 also operates Sisters Elementary School (491 students) and Sisters High School (419 students). See the Sisters Sd 6 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.