The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·GLADSTONE SD 115·NCES 410561000146

Gladstone High School

18800 Portland Ave, Gladstone, OR 97027 · (503) 655-2544 · Clackamas County
GRADES 09–12HIGH21-SUBURBTITLE IREGULAR SCHOOL559 STUDENTS
Enrollment
559
High
DISTRICT 400 · STATE 630
Student : Teacher
20.6:1
27 FTE teachers
DISTRICT 17.1:1 · STATE 19.8:1
Free / Reduced Lunch
63%
351 students
DISTRICT 68% · STATE 76%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 912723%
Grade 1013925%
Grade 1113925%
Grade 1215428%
Student demographics
46%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 47% · STATE 59% · US 70%
White
39170%
DISTRICT 70% · STATE 57% · US 43%
Hispanic
10519%
DISTRICT 18% · STATE 26% · US 30%
Black
41%
DISTRICT 1% · STATE 2% · US 15%
Asian
71%
DISTRICT 1% · STATE 4% · US 6%
Two+
377%
DISTRICT 9% · STATE 7% · US 5%
Native American
41%
DISTRICT 1% · STATE 1% · US 1%
Pacific Islander
51%
DISTRICT 1% · STATE 1% · US 0%
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
Male
28451%
Female
26948%

School pathway

Feeds from
Walter L Kraxberger Middle School06–08
Based on grade levels within Gladstone SD 115. Attendance zones can vary; confirm enrollment with the district.

Discussions

+ POST

Test scores

OSAS 2024-25 . % Proficient
English Language Arts
33.0%
OR avg 43.0% . -7.9pp since 2023
Math
17.1%
OR avg 31.8% . -0.6pp since 2023

What this means: On the OSAS, Oregon's statewide test, about 33 of every 100 students at this school read and write at grade level and about 17 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 8 points since 2023, while math scores have held steady.

OSAS results by year

School yearEnglish Language ArtsMath
2024-2533.0%17.1%
2023-2440.9%17.7%
% Proficient, all students and all tested grades.
Source: OSAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
27.1%
composite math + reading, all grades
Predicted
38.2%
based on OR schools with similar FRL share
Beats by
-11.1pp
below demographic expectation

What this means: About 27% of students here test proficient in math and reading, compared with the roughly 38% typical for Oregon schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Oregon's top nor bottom 10%.

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

Schools most like Gladstone High School

Gladstone High School's state test result (27.1% proficient) is higher than 2 of the 5 schools below with a result.

SchoolStudentsLow-incomeProficient
Gladstone High School this school55962.8%27.1%
Cottage Grove High School
Cottage Grove
64063.1%24.9%
Astoria Senior High School
Astoria
59464.8%29.4%
Cascade Senior High School
Turner
79563.8%40.3%
Ashland High School
Ashland
87764.2%50.5%
Dallas High School
Dallas
94866.0%20.2%
Matched among Oregon high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Gladstone High School ranks

Among high schools
MeasureThis schoolIn OregonIn Clackamas County
State test proficiency
ranked highest first
27.1%#108 of 177#10 of 17
Math proficiency
ranked highest first
17.1%#99 of 194
▼ 10
#10 of 19
▲ 1
Reading proficiency
ranked highest first
33.0%#145 of 201
▼ 35
#14 of 20
▼ 2
Enrollment
ranked largest first
559#105 of 257#13 of 22
Students per teacher
ranked fewest first
20.6:1#107 of 171#8 of 17
Diversity index
ranked most diverse first
45.9%#95 of 171#11 of 17
Free and reduced lunch
ranked highest share first
62.8%#147 of 207#4 of 19
Enrollment change since 2017-18
ranked steepest decline first
-15.2%#22 of 102#2 of 7
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
559
-43 (-7%) vs 2020
-29% since 1990-91, when it was 782
Student : Teacher
20.6:1
was 21.5:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2555927.220.6:163% (351)
2023-2457127.221.0:150% (288)
2022-2359430.919.2:135% (208)
2020-216022821.5:1N/A
2017-1865928.323.3:137% (247)
2015-167242825.9:140% (292)
2010-117242825.9:139% (281)
2000-018863922.7:118% (157)
1990-917824517.4:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Gladstone High School.

Since 2017-18: students down 15% (659 to 559); teachers down 4% (28.3 to 27.2).

About Gladstone High School

Federal records list Gladstone High School as a high school in Gladstone, Oregon. It educates 559 students in grades 9 through 12.

Gladstone High School is run by Gladstone SD 115, whose 4 schools enroll 1,600 students.

A majority of students at Gladstone High School, 70%, are White. Next come 19% Hispanic and 7% multiracial. The county population is about 79% White. Gladstone High School has a diversity index of 46%, compared with 70% for all US public school students.

The school employs the equivalent of 27.2 full-time teachers, for a ratio of 20.6:1. Among high schools in Oregon, the typical ratio is 19.8:1. The free or reduced-price lunch share, often used to gauge student poverty, is 63%. On average, public schools in Clackamas County report 50%.

Gladstone High School scores 27.1% on state tests, averaged across results. The predicted figure, based on its student poverty level, is 38.2%.

Clackamas County has about 423,975 residents, and median household income is about $103,517, about 41% of adults have at least a bachelor's degree, and roughly 5% of residents are in poverty. Federal data list 118 public schools in Clackamas County, with a combined enrollment of about 57,601.

The next-closest public school is Gladstone Center for Children and Families, about 0.2 miles away. In all, at least 8 other public schools sit within five miles of Gladstone High School. Among its closest neighbors with test data, Gladstone High School is 5th of 7 on proficiency.

NCES describes the area around Gladstone High School as Suburb: Large, meaning in a suburban area outside a principal city, within an urbanized area with a population of 250,000 or more.

From 2020-21 to 2024-25, Gladstone High School went from 602 students to 559.

If you have questions about sports schedules, lunch menus, and spirit week at Gladstone High School, you can post them here. Posting is open to anyone connected to the school.

Clackamas County at a glance

View full county profile
Population
423,975
Census ACS
Median income
$103,517
Household, ACS
Bachelor's+
41%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
118
57,601 students

Quick facts

School name
Gladstone High School
District
Gladstone SD 115
Address
18800 Portland Ave, Gladstone, OR 97027
Phone
(503) 655-2544
County
Clackamas County
Level
High
Grade range
09–12
Total enrollment
559
Teachers (FTE)
27
Student–teacher ratio
20.6:1
Free and reduced lunch
351 (63%)
Locale
21-Suburb: Large
NCES ID
410561000146
Charter school
No
Virtual school
No

Related schools

Other schools in Gladstone SD 115
Other schools in Gladstone
Nearby schools

Frequently asked questions

About Gladstone High School
What is the total enrollment at Gladstone High School?
Gladstone High School enrolls approximately 559 students in grades 09-12.
Is Gladstone High School an elementary, middle, or high school?
Gladstone High School is a high school covering grades 09-12.
How many teachers does Gladstone High School have?
Gladstone High School employs 27 FTE teachers, for a student-to-teacher ratio of 20.6:1.
How diverse is Gladstone High School?
Gladstone High School reports a student body of 70% White, 19% Hispanic, 1% Black, 1% Asian, 7% Two or more.
Who oversees Gladstone High School?
Gladstone High School is overseen by Gladstone SD 115 in Clackamas County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post