Very Good
#384 of 1,226 schools in OR
Top 31% in state
Cheldelin Middle School
Middle School · Corvallis Sd 509j · Corvallis, OR
A Corvallis Sd 509j middle school where students score 12 points above what's typical for similar communities.
987 Conifer Blvd NE, Corvallis, OR 97330
- Math 46% vs OR 32% (2025)
- Reading 59% vs OR 43% (2025)
- 21.4:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Cheldelin Middle School score 52% proficient, which is above what's typical for similar communities (expected: 40%).
2025 OSAS proficiency
Most recent published year. School vs. OR average.
Trend
↓ DecliningProficiency has fallen 11 points since 2018, to 52% in 2025, across a 17-year record (2009–2025).
Show all 13 years
Multi-year averages used by the rating model: math 67% (multi-year average, 2009-2025) · reading/ELA 76% (multi-year average, 2009-2025)
Based on 26 test records from OR state assessments and EdFacts (NCES).
Equity & diversity
Shown separately, not included in the overall scoreFree/reduced lunch
43.2%
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 rateThe neighborhood
Where Cheldelin Middle 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 13Car-Dependent
- Transit 21Minimal Transit
- Bike 78Very Bikeable
- City Safety: High2,752/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Corvallis), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$69,127
Median home value
$495,700
Median rent
$1,339/mo
College educated
59.9%
Homeownership
50.1%
Poverty rate
21.3%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 97330; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
2 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Linus Pauling Middle SchoolEnrollment path unverified | 6.4 | 6–8 | 1.7 mi | 732 | Compare → |
| Santiam Christian SchoolPrivate · tuition | 5.9private | PK–12 | 5.0 mi | 656 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Corvallis Sd 509j
- Schools in district
- 13
- Rank in district
- #4 of 13
- District spending per student
- $17,764NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- 9.7%Census SAIPE · 2024
Cheldelin Middle School is listed in Corvallis SD 509J; a district label does not verify attendance for an address.
About Cheldelin Middle School
Cheldelin Middle School is a public middle school in Corvallis, OR, part of Corvallis Sd 509j, serving approximately 535 students in grades 6th-8th with a 21.4:1 student-teacher ratio. It holds a MySchoolScout rating of 7.2 out of 10 and ranks #384 of 1,226 schools in OR. State assessment records show 67% math proficiency (multi-year average, 2009-2025) and 76% reading/ELA proficiency (multi-year average, 2009-2025).
Frequently asked questions
Common questions about Cheldelin Middle School
What grades does Cheldelin Middle School serve?
Cheldelin Middle School serves students in grades 6th through 8th.
How many students attend Cheldelin Middle School?
Cheldelin Middle School has an enrollment of approximately 535 students.
What is the student-teacher ratio at Cheldelin Middle School?
The student-teacher ratio at Cheldelin Middle School is 21.4:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Cheldelin Middle School rank in OR?
Cheldelin Middle School ranks #384 of 1,226 schools in OR.
What is Cheldelin Middle School's MySchoolScout rating?
Cheldelin Middle School has a current MySchoolScout rating of 7.2 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 Cheldelin Middle School?
Based on loaded state assessment records, Cheldelin Middle School has 67% math proficiency (multi-year average, 2009-2025) and 76% reading/ELA proficiency (multi-year average, 2009-2025).
Is Cheldelin Middle School a charter school?
No, Cheldelin Middle School is not a charter school. It is a traditional public school operated by the local school district.
Is Cheldelin Middle School a Title I school?
No, Cheldelin Middle School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Cheldelin Middle School?
43.2% of students at Cheldelin Middle 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 – 8th
- Enrollment
- 535
- Student-Teacher Ratio
- 21.4:1
- Teachers (FTE)
- 25
- Type
- regular
- Setting
- Small City
- County
- Benton County
- Chronic Absenteeism (SY 2022-23)
- 36.1%
- Phone
- (541) 757-5971
- Area population (ZIP 97330)
- 44,464
- Area average commute
- 16.8 min
- Area median age
- 34
Official sources & links
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 97330; 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
Related reading
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