Serving 1,062 students in grades Kindergarten-12, Corbett School ranks in the top 30% 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 39% (which is higher than the Oregon state average of 31%). The percentage of students achieving proficiency in reading/language arts is 51% (which is higher than the Oregon state average of 44%).
The student-teacher ratio of 19:1 is higher than the Oregon state level of 17:1.
Minority enrollment is 22% of the student body (majority Hispanic), which is lower than the Oregon state average of 42% (majority Hispanic).
Quick Facts (2025-26)
- School Type: Charter School
- Grades: Kindergarten-12
- Enrollment: 1,062 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 22%
- Graduation Rate: ≥95% (Top 5% in OR)
- Overall Testing Rank: Top 30%
- Math Proficiency: 39% (Top 30%)
- Reading Proficiency: 51% (Top 50%)
- Science Proficiency: 35-39% (Top 30%)
- Source: National Center for Education Statistics (NCES), OR Dept. of Education
Top Rankings
Corbett School ranks among the top 20% of public schools in Oregon for:
Category
Attribute
Graduation Rate
School Overview
Corbett School's student population of 1,062 students has declined by 13% over five school years.
The teacher population of 55 teachers has grown by 5% over five school years.
School Type
Grades Offered
Grades Kindergarten-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
1,062 students
Gender %
Total Classroom Teachers
55 teachers
Last Day of School
Sun. May 24, 2026
School Rankings
Corbett School ranks within the top 30% of all 1,174 schools in Oregon (based off of combined math and reading proficiency testing data).
The diversity score of Corbett School is 0.38, 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
#346 out of 1174 schools
(Top 30%)
(Top 30%)
Math Test Scores (% Proficient)
39%
31%
Reading/Language Arts Test Scores (% Proficient)
51%
44%
Science Test Scores (% Proficient)
35-39%
30%
Student-Teacher Ratio
19:1
17:1
American Indian
1%
1%
Asian
1%
4%
Hispanic
10%
26%
Black
n/a
3%
White
78%
58%
Hawaiian
n/a
1%
Two or more races
10%
7%
All Ethnic Groups
Graduation Rate
≥95%
81%
Eligible for Free Lunch
23%
51%
Eligible for Reduced Lunch
5%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), OR Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Corbett School's ranking?
Corbett School is ranked #346 out of 1,174 schools, which ranks it among the top 30% of public schools in Oregon.
What schools are Corbett School often compared to?
Corbett Schoolis often viewed alongside schools like Sam Barlow High School, Gresham High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
39% of students have achieved math proficiency (compared to the 31% OR state average), while 51% of students have achieved reading proficiency (compared to the 44% OR state average).
What is the graduation rate of Corbett School?
The graduation rate of Corbett School is 95%, which is higher than the Oregon state average of 81%.
How many students attend Corbett School?
1,062 students attend Corbett School.
What is the racial composition of the student body?
78% of Corbett School students are White, 10% of students are Hispanic, 10% of students are Two or more races, 1% of students are American Indian, and 1% of students are Asian.
What is the student-teacher ratio of Corbett School?
Corbett School has a student ration of 19:1, which is higher than the Oregon state average of 17:1.
What grades does Corbett School offer ?
Corbett School offers enrollment in grades Kindergarten-12 (Supplemental Virtual).
What school district is Corbett School part of?
Corbett School is part of Corbett School District 39.
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