Serving 488 students in grades 6-8, Cheldelin Middle School ranks in the top 20% of all schools in Oregon for overall test scores (math proficiency is top 30%, and reading proficiency is top 30%).
The percentage of students achieving proficiency in math is 45% (which is higher than the Oregon state average of 31%). The percentage of students achieving proficiency in reading/language arts is 58% (which is higher than the Oregon state average of 44%).
The student-teacher ratio of 18:1 is higher than the Oregon state level of 17:1.
Minority enrollment is 34% of the student body (majority Hispanic), which is lower than the Oregon state average of 43% (majority Hispanic).
Quick Facts (2026)
- Grades: 6-8
- Enrollment: 488 students
- Student-Teacher Ratio: 18:1
- Minority Enrollment: 34%
- Overall Testing Rank: Top 20% in OR
- Math Proficiency: 45% (Top 30%)
- Reading Proficiency: 58% (Top 20%)
- Science Proficiency: 45-49% (Top 20%)
- Source: National Center for Education Statistics (NCES), OR Dept. of Education
Top Rankings
Cheldelin Middle School ranks among the top 20% of public schools in Oregon for:
Category
Attribute
Overall Rank
Reading/Language Arts Proficiency
Science Proficiency
School Overview
Cheldelin Middle School's student population of 488 students has grown by 11% over five school years.
The teacher population of 27 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 6-8
(No virtual instruction)
(No virtual instruction)
Total Students
488 students
Total Classroom Teachers
27 teachers
Year Founded
1967
School Calendar
School Motto
Foster each individual's growth - academically, emotionally, and socially
School Rankings
Cheldelin Middle School ranks within the top 20% of all 1,174 schools in Oregon (based off of combined math and reading proficiency testing data).
The diversity score of Cheldelin Middle School is 0.54, which is less than the diversity score at state average of 0.60. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#205 out of 1174 schools
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
45%
31%
Reading/Language Arts Test Scores (% Proficient)
58%
44%
Science Test Scores (% Proficient)
45-49%
30%
Student-Teacher Ratio
18:1
17:1
American Indian
1%
1%
Asian
6%
4%
Hispanic
14%
26%
Black
2%
3%
White
66%
57%
Hawaiian
1%
1%
Two or more races
10%
8%
All Ethnic Groups
Eligible for Free Lunch
58%
67%
Eligible for Reduced Lunch
5%
3%
School Statewide Testing
School District Name
Corvallis SD 509j School District
Source: National Center for Education Statistics (NCES), OR Dept. of Education
Frequently Asked Questions
What is Cheldelin Middle School's ranking?
Cheldelin Middle School is ranked #205 out of 1,174 schools, which ranks it among the top 20% of public schools in Oregon.
What schools are Cheldelin Middle School often compared to?
Cheldelin Middle Schoolis often viewed alongside schools like Linus Pauling Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
45% of students have achieved math proficiency (compared to the 31% OR state average), while 58% of students have achieved reading proficiency (compared to the 44% OR state average).
How many students attend Cheldelin Middle School?
488 students attend Cheldelin Middle School.
What is the racial composition of the student body?
66% of Cheldelin Middle School students are White, 14% of students are Hispanic, 10% of students are Two or more races, 6% of students are Asian, 2% of students are Black, 1% of students are American Indian, and 1% of students are Hawaiian.
What is the student-teacher ratio of Cheldelin Middle School?
Cheldelin Middle School has a student ration of 18:1, which is higher than the Oregon state average of 17:1.
What grades does Cheldelin Middle School offer ?
Cheldelin Middle School offers enrollment in grades 6-8 (No virtual instruction).
What school district is Cheldelin Middle School part of?
Cheldelin Middle School is part of Corvallis SD 509j School District.
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