Enrollment
1,076
Oregon · 2024-25 NCES data
Other / mixed grade configuration · Corbett, OR
Corbett School
Federal NCES profile for Corbett School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 34/100.
2024-25 NCES dataOther / mixed grade configurationNCES 410342001729Charter school
👥 S:T ratio 17
🌟 Gifted program 70
🎓 Counselors 46
📋 Attendance 4
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Corbett School earns 34/100 on the Resource Investment Index, with class sizes larger than 82% of Oregon schools.
- 34
- Resource Index · Typical
- 20.7:1
- large classes for Oregon
- 17.6%
- free-lunch eligible
- 1,076
- students enrolled
Corbett School has class sizes larger than 82% of Oregon schools. Computed live against every Oregon school reporting to NCES.
School address
Teachers (FTE)
52.0
Federal CCD staff survey
Students per teacher
20.7:1
vs 17.6:1 Oregon avg
+18% vs state
Free-lunch eligible
17.6%
vs 52.8% Oregon avg
-67% vs state
Student-teacher ratio in context
How Corbett School compares with Oregon and U.S. medians
What stands out at Corbett School
Corbett School is a lower-poverty, large charter combined-grade school in Corbett, Oregon, enrolling 1,076 students.
Class loads run somewhat heavier than typical: 20.7:1 puts it in the larger third of Oregon schools by student-teacher ratio.
Comparatively few students face economic hardship here, 17.6% free-meal eligibility runs 67% below the Oregon average.
By headcount it is one of the larger campuses in Oregon, bigger than 94% of state schools at 1,076 students.
Its Resource Investment Index sits near the middle of the pack among 1,273 scored Oregon schools.
Against 54 statewide peers matched on enrollment and economic need, it ranks mid-pack at #32.
Its student body is led by White (78%) and Hispanic or Latino (10%) (diversity index 38/100).
Counselor coverage runs a bit thin, about 269 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 38.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Corbett Sd 39 spends $14,434 per pupil, 20% below the Oregon average, a leaner-resourced district than most.
Corbett Sd 39 is a single-school charter district, so Corbett School operates independently rather than alongside district-mates.
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 Corbett School compares
Corbett 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 | 20.7:1 | ▲ 18% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 17.6% | ▼ 67% | 52.8% | 51.7% |
| Enrollment | 1,076 | top 6% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.7:1
Leaner classes than 14% of US schools, heavier class loads than most.
1,076
Bigger than 92% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
17.6%
free-lunch eligible
- 67% below the Oregon average of 52.8%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
20.7:1
students per teacher
- 18% above state mean
Top 82% in Oregon - lower ratio than 18% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
38.3%
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
$14,434
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
Counselors4.0 FTE
Per 269 students, the combined health-and-guidance staffing load for this school.
Discipline context
4
in-school suspensions + 48 out-of-school
Suspension rate: 0.4 per 100 students. Combined in-school and out-of-school rate: 4.8 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 77.8%
Hispanic or Latino 9.8%
Two or More 9.8%
American Indian / Alaska Native 1.2%
Asian 0.9%
African American 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 77.8% of enrollment.
Student-body diversity index 37.5/100
Simpson diversity index - at 37.5, Corbett School is less mixed than the Oregon school average of 47.1.
Programs
AP courses offered 16
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Corbett Sd 39, which includes Corbett School.
$14,434
Per student
-20%
vs Oregon
Avg $18,086
-13%
vs U.S.
Avg $16,593
Revenue mix
Local 19.1%
State 75.8%
Federal 5.2%
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.
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 (~1,076 students)
Similar student-teacher ratio (~20.7:1)
Next steps
Verify locally before acting on Corbett School's federal record.
- Compare Corbett School against another school. Compare schools
- Corbett Sd 39'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 Corbett School
How many students attend Corbett School?
Corbett School has 1,076 students enrolled. It is a public school in Corbett, OR.
What is the student-teacher ratio at Corbett School?
The student-teacher ratio at Corbett School is 20.7:1, which is 18% higher than the Oregon average of 17.6:1 and 32% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Corbett School?
17.6% of students at Corbett School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Corbett School?
The largest demographic group at Corbett School is White at 77.8% of enrollment, in Corbett, OR.
What is the Resource Investment Index for Corbett School?
Corbett School has a Resource Investment Index of 34/100 (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).
Is Corbett School a good school?
Corbett School earns 34/100 on the Resource Investment Index, with class sizes larger 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 Corbett Sd 39?
None; Corbett Sd 39 is a single-school charter district, and Corbett School is its only campus.
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.