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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
Enrollment
1,076
Combined
STATE 384
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
Kindergarten
71
Grade 1
77
Grade 2
80
Grade 3
79
Grade 4
95
Grade 5
73
Grade 6
92
Grade 7
87
Grade 8
78
Grade 9
92
Grade 10
89
Grade 11
79
Grade 12
84
Student demographics
White
77%
STATE 57%
Hispanic
10%
STATE 26%
Black
0%
STATE 2%
Asian
1%
STATE 4%
Two+
10%
STATE 7%
Native American
1%
STATE 1%
Pacific Islander
n/r
n/r: not reliably reported by NCES for this school. Hispanic, Pacific Islander, and Native American enrollment are systematically under-reported in the source data.
Gender split
Male
53%
Female
47%

Discussions

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Test scores

OSAS 2024-25 . % Proficient
English Language Arts
36.2%
OR avg 43.0% . -6.7pp since 2023
Math
28.5%
OR avg 31.8% . -7.3pp since 2023
Source: OSAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
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
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

7-year change

SY 2017-18 vs SY 2024-25
Enrollment
1,076
-159 (-13%) vs 2017
Student : Teacher
20.3:1
was 23.0:1
% White
77%
was 83%
% Hispanic
10%
was 7%
% Black
0%
was 1%
% Asian
1%
was 2%
Source: NCES Common Core of Data

About Corbett School

Corbett School operates as a roomy K-12 campus in Corbett, Oregon, part of Corbett SD 39. Current enrollment sits at 1,076 students spanning grades K through 12. Compared to the state average of about 384 students per school, that is 180% larger than typical.

Corbett SD 39 is the operating authority for Corbett School, handling staffing, calendars, and reporting to the state department of education.

Demographically, Corbett School shows that White students make up the majority at 77%. The remainder looks like 10% Hispanic, 10% multiracial. By comparison, Multnomah County as a whole is about 68% White, so the school skews considerably more White than its surroundings.

Looking at the economic backdrop, The school employs 53 full-time-equivalent teachers, for a student-teacher ratio near 20.3:1. Statewide, the average ratio sits near 22.5:1, putting Corbett School tighter than the state norm the norm. Around 37% of the student body qualifies for free or reduced-price meals, often used as a Title I proxy. Set against Multnomah County (around 75%), the school's rate is meaningfully below typical.

After controlling for student poverty, Corbett School is in the bottom 10% of Oregon public schools. The BeatsExpectations model predicts schools with this FRL share to land around 48.3%; Corbett School posts 32.4%, -15.9 points below that line.

In the area at large, census data for Multnomah County shows median household earnings sit near $88,766, about 49% of the adult population holds a bachelor's degree or above, and census figures put the poverty rate at about 7%. In all, Multnomah County runs 169 public schools (combined enrollment of about 81,096 students), of which Corbett School is one.

Columbia River Gorge Elementary School is the nearest neighboring public school, about 3.3 miles from this campus. Counting just inside five miles, 8 other public schools cluster around Corbett School.

Corbett School operates from a rural location. Corbett School operates as a public charter school, meaning it is publicly funded but governed independently of the surrounding district's traditional schools.

Looking at the recent track record. Corbett School's enrollment has decreased 13% since 2018, when it stood at 1,235 (now 1,076). White enrollment moved from 83% to 77% across the same window. The student-to-teacher ratio tightened from 23.0:1 in 2018 to 20.3:1 today.

Within the allk12 community for this school, posts here usually surface around pickup logistics, teacher feedback, and after-school programs. The community welcomes input from current and former families.

Multnomah County at a glance

View full county profile
Population
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

School name
Corbett School
District
Corbett SD 39
Address
35800 E Hist Columbia River Hw, Corbett, OR 97019
Phone
(503) 261-4200
County
Multnomah County
Level
Combined
Grade range
KG–12
Total enrollment
1,076
Teachers (FTE)
53
Student–teacher ratio
20.3:1
Free/Reduced lunch
395 (37%)
Locale
41-Rural: Fringe
NCES ID
410342001729
Charter school
Yes
Virtual school
No

Related schools

Nearby schools

Frequently asked questions

About Corbett School
How 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.
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