Enrollment
488
Oregon · 2024-25 NCES data
Middle school (grades 6-8) · Corvallis, OR
Cheldelin Middle School
Federal NCES profile for Cheldelin Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 42/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 410348000033
👥 S:T ratio 33
🌟 Gifted program 70
🎓 Counselors 51
📋 Attendance 14
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Cheldelin Middle School earns 42/100 on the Resource Investment Index, with class sizes near the Oregon median.
- #3 of 13
- public schools in Corvallis · Resource Index
- 42
- Resource Index · Typical
- 16.8:1
- students per teacher
- 27.5%
- free-lunch eligible
Cheldelin Middle School has class sizes near the Oregon median. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Cheldelin Middle School ranks #3 of 13 public schools in Corvallis, OR.
School address
District: Corvallis Sd 509j · Oregon
NCES ID 410348000033 Verify on NCES CCD record →
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
16.8:1
vs 17.6:1 Oregon avg
-5% vs state
Free-lunch eligible
27.5%
vs 52.8% Oregon avg
-48% vs state
Student-teacher ratio in context
How Cheldelin Middle School compares with Oregon and U.S. medians
What stands out at Cheldelin Middle School
Cheldelin Middle School is a mid-sized middle school in Corvallis, Oregon, enrolling 488 students.
At 16.8:1, its student-teacher ratio sits close to the Oregon median, within a few percentage points of the 17.6:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat below the state's typical profile, with 27.5% of students eligible for free meals.
Enrollment of 488 puts it in the larger third of Oregon schools by headcount.
Its Resource Investment Index lands in the upper third of 1,273 scored Oregon schools.
Against 186 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #50.
Its student body is led by White (67%) and Hispanic or Latino (14%) (diversity index 52/100).
Counselor coverage is strong, about 244 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 34.4% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The federal civil-rights collection also records 1 expulsion at this campus for 2021-22.
Among Corvallis's middle schools, it stands alongside Linus Pauling Middle School (712 students): Cheldelin Middle School is smaller than that campus by headcount and runs heavier classes (16.8:1 vs 16.2:1).
Corvallis Sd 509j also operates Corvallis High School (1,273 students) and Crescent Valley High School (875 students) alongside Cheldelin 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 Cheldelin Middle School compares
Cheldelin 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 | 16.8:1 | ▼ 5% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 27.5% | ▼ 48% | 52.8% | 51.7% |
| Enrollment | 488 | top 24% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
16.8:1
Leaner classes than 32% of US schools, heavier class loads than most.
488
Bigger than 60% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
27.5%
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
16.8:1
students per teacher
- 5% below state mean
Top 47% in Oregon - lower ratio than 53% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
34.4%
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
$15,663
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
Counselors2.0 FTE
Per 244 students, the combined health-and-guidance staffing load for this school.
Discipline context
32
in-school suspensions + 31 out-of-school
Suspension rate: 6.6 per 100 students. Combined in-school and out-of-school rate: 12.9 per 100 students. Reported via the Civil Rights Data Collection. Includes 1 expulsion.
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 67.1%
Hispanic or Latino 13.7%
Two or More 9.9%
Asian 5.8%
African American 2.3%
American Indian / Alaska Native 0.6%
Native Hawaiian / Pacific Islander 0.6%
Largest group: White at 67.1% of enrollment.
Student-body diversity index 51.7/100
Simpson diversity index - at 51.7, Cheldelin Middle School is more mixed than the Oregon school average of 47.1.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Corvallis Sd 509j, which includes Cheldelin Middle School.
$15,663
Per student
-13%
vs Oregon
Avg $18,086
-6%
vs U.S.
Avg $16,593
Revenue mix
Local 51.2%
State 40.6%
Federal 8.2%
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.
How Cheldelin Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Corvallis High School | Larger | Similar economic need | Higher S:T ratio |
| Crescent Valley High School | Larger | Lower economic need | Higher S:T ratio |
| Linus Pauling Middle School | Larger | Higher economic need | Similar S:T ratio |
| Garfield Elementary School | Similar size | Higher economic need | Lower S:T ratio |
| Bessie Coleman Elementary School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Cheldelin Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,273
- Students per teacher
- 22.3:1
- Resource Index
- 29/100
- Enrollment
- 875
- Students per teacher
- 21.3:1
- Resource Index
- 32/100
- Enrollment
- 712
- Students per teacher
- 16.2:1
- Resource Index
- 37/100
- Enrollment
- 378
- Students per teacher
- 15.1:1
- Resource Index
- 40/100
- Enrollment
- 351
- Students per teacher
- 19.5:1
- Resource Index
- 40/100
Similar middle schools in Corvallis
1 comparable middle schools (grades 6-8) serving the same city.
Similar middle 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 (~488 students)
Similar student-teacher ratio (~16.8:1)
Next steps
Verify locally before acting on Cheldelin Middle School's federal record.
- Compare Cheldelin Middle School against another school. Compare schools
- Corvallis Sd 509j'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 Cheldelin Middle School
How many students attend Cheldelin Middle School?
Cheldelin Middle School has 488 students enrolled. It is a middle school in Corvallis, OR.
What is the student-teacher ratio at Cheldelin Middle School?
The student-teacher ratio at Cheldelin Middle School is 16.8:1, which is 5% lower than the Oregon average of 17.6:1 and 7% higher 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 Cheldelin Middle School?
27.5% of students at Cheldelin Middle School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Cheldelin Middle School?
The largest demographic group at Cheldelin Middle School is White at 67.1% of enrollment, in Corvallis, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.7/100.
What is the Resource Investment Index for Cheldelin Middle School?
Cheldelin Middle School has a Resource Investment Index of 42/100 (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 Cheldelin Middle School rank among public schools in Corvallis?
By Resource Investment Index, Cheldelin Middle School ranks #3 of 13 public schools in Corvallis, 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 Corvallis on the city page.
Is Cheldelin Middle School a good school?
Cheldelin Middle School earns 42/100 on the Resource Investment Index, with class sizes near the Oregon median. 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 Corvallis Sd 509j?
Besides Cheldelin Middle School, Corvallis Sd 509j also operates Corvallis High School (1,273 students), Crescent Valley High School (875 students), and Linus Pauling Middle School (712 students). See the Corvallis Sd 509j 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.