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Welcome to the Corbett School community. What's one thing that would make Corbett School even better?
Community prompt from u/allk12. Replies below.
Enrollment
1,076
Combined
STATE 384
SCHOOL COMMUNITY·CORBETT SD 39·NCES 410342001729
Corbett School
35800 E Hist Columbia River Hw, Corbett, OR 97019 · (503) 261-4200 · Multnomah County
GRADES KG–12COMBINED41-RURALCHARTERREGULAR SCHOOL1,076 STUDENTS
Student : Teacher
20.3:1
53 FTE teachers
STATE 22.5:1
Free / Reduced Lunch
37%
395 students
STATE 76%
Community
1
0 members
Enrollment and student:teacher ratio compared against other combined schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Kindergarten | 71 | 7% |
| Grade 1 | 77 | 7% |
| Grade 2 | 80 | 7% |
| Grade 3 | 79 | 7% |
| Grade 4 | 95 | 9% |
| Grade 5 | 73 | 7% |
| Grade 6 | 92 | 9% |
| Grade 7 | 87 | 8% |
| Grade 8 | 78 | 7% |
| Grade 9 | 92 | 9% |
| Grade 10 | 89 | 8% |
| Grade 11 | 79 | 7% |
| Grade 12 | 84 | 8% |
This year's kindergarten class (71) is 9% smaller than its 8th grade class (78).
Student demographics
38%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
STATE 59% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
OSAS 2024-25 . % ProficientEnglish Language Arts
36.2%
OR avg 43.0% . -6.7pp since 2023
Math
28.5%
OR avg 31.8% . -7.3pp since 2023
What this means: On the OSAS, Oregon's statewide test, about 36 of every 100 students at this school read and write at grade level and about 29 of 100 do math at grade level. Across all Oregon schools, those numbers are about 43 and 32. Reading and writing scores are down about 7 points since 2023, while math scores are down about 7 points.
OSAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 36.2% | 28.5% |
| 2023-24 | 42.9% | 35.8% |
% Proficient, all students and all tested grades.
Source: OSAS. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
UNDERPERFORMING
Bottom 10% of OR schools after controlling for student poverty
Actual proficiency
32.4%
composite math + reading, all grades
Predicted
48.3%
based on OR schools with similar FRL share
Beats by
-15.9pp
below demographic expectation
What this means: About 32% of students here test proficient in math and reading, below the roughly 48% typical for Oregon schools with a similar share of low-income students. BeatsExpectations compares each school with others at the same poverty level, not by raw scores, so a school lands here when its results trail those comparable schools, which is not the same as having low scores. A higher-scoring school can still fall in this tier if similar schools score higher still.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,076
-6 (-1%) vs 2020
+70% since 2010-11, when it was 634
Student : Teacher
20.3:1
was 21.2:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,076 | 53.1 | 20.3:1 | 37% (395) |
| 2023-24 | 1,062 | 54.5 | 19.5:1 | 28% (293) |
| 2022-23 | 1,055 | 53 | 19.9:1 | 20% (214) |
| 2020-21 | 1,082 | 51 | 21.2:1 | 24% (262) |
| 2017-18 | 1,235 | 53.7 | 23.0:1 | 25% (306) |
| 2015-16 | 1,239 | 54 | 22.9:1 | 26% (322) |
| 2010-11 | 634 | 25 | 25.4:1 | 28% (179) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Corbett School.
Since 2017-18: students down 13% (1,235 to 1,076); teachers down 1% (53.7 to 53.1).
About Corbett School
Corbett School is a school serving multiple grade levels in Corbett, Oregon, and it is part of Corbett SD 39. It teaches 1,076 students in kindergarten through 12. It has 180% more students than the average for combined schools in Oregon (about 384).
Corbett School belongs to Corbett SD 39.
The share of White students at Corbett School is 77%, a majority. The remaining students are 10% Hispanic and 10% multiracial. Census figures show Multnomah County is about 68% White. A diversity index of 38% means there is a 38% chance two randomly chosen students at Corbett School are from different groups.
Corbett School reports a ratio of 20.3 students per teacher, from 53.1 full-time-equivalent teachers. By comparison, the average for combined schools in Oregon is 22.5:1. Student poverty is often measured by lunch eligibility; at Corbett School, 37% qualify for free or reduced-price lunch. That rate is below the 75% average among public schools in Multnomah County.
Corbett School is 15.9 points below expectations on state tests, given its student poverty level, placing it in the bottom 10% in Oregon.
For Multnomah County, Census Bureau data show median household income comes to about $88,766, the share of adults with a bachelor's degree or higher is 49%, and roughly 7% of residents are in poverty. The county has 169 public schools and about 81,096 students.
Columbia River Gorge Elementary School, about 3.3 miles away, is the closest public school. Within five miles of Corbett School, there are at least 8 other public schools.
The National Center for Education Statistics classifies the school's location as Rural: Fringe, meaning it is in rural territory close to an urban area. NCES lists Corbett School as a charter school.
The school's size has been steady, with 1,082 students in 2020-21 and 1,076 in 2024-25.
You can use this page to share news and ask questions about fundraisers, report cards, and school supplies. Current and former families are welcome to add their experience.
Multnomah County at a glance
View full county profilePopulation
801,477
Census ACS
Median income
$88,766
Household, ACS
Bachelor's+
49%
Adults 25+
Poverty rate
7%
Below federal line
Schools in county
169
81,096 students
Quick facts
Related schools
Nearby schools
- Columbia River Gorge Elementary School3.3 mi · 340
- Jemtegaard Middle School3.3 mi · 408
- Washougal Special Services3.3 mi · 36
- Mount Pleasant School3.9 mi · 69
- Washougal High School4.1 mi · 942
- Washougal Learning Academy4.2 mi · 13
Frequently asked questions
About Corbett SchoolHow large is Corbett School?
Corbett School enrolls approximately 1,076 students in grades KG-12.
What age range does Corbett School serve?
Corbett School serves students from grade KG through grade 12.
How many students per teacher at Corbett School?
Approximately 20.3:1 students per teacher at Corbett School.
How diverse is Corbett School?
Corbett School reports a student body of 77% White, 10% Hispanic, 0% Black, 1% Asian, 10% Two or more.
Who oversees Corbett School?
Corbett School is overseen by Corbett SD 39 in Multnomah County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.