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Gladstone High School

18800 Portland Ave, Gladstone, OR 97027

DSchola Grade
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Grades
9–12
High
Students
559
Enrolled 2024–25
Students per teacher
20.6 : 1
Full-time teachers
District
Gladstone SD 115
Clackamas County

Schola Grade D · Below average

Letter grade (A–F) · compared with 198 Oregon high schools · How we grade
Test scores15% proficient in math & reading
8thpercentile
Equity15% of low-income students proficient
8thpercentile
Attendance43% chronically absent
67thpercentile
Graduation rate87% graduate in 4 years
51stpercentile
College readinessAt least 23% take AP, IB or dual-enrollment courses
54thpercentile
Class size20.6 students per teacher
31stpercentile

Percentiles compare this school with other Oregon high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Gladstone High School

Gladstone High School is a public high school in Gladstone, Oregon, serving grades 9–12. It is part of Gladstone SD 115. The school is located in a large suburb in Clackamas County.

In the 2024–25 school year, 559 students were enrolled, with about 20.6 students for every full-time teacher. That ratio is larger than the typical Oregon high school (17.4 students per teacher). Its Schola Grade is D (below average), compared with 198 Oregon high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

18800 Portland Ave
Gladstone, OR 97027
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
559 students
Students per teacher
20.6 to 1
AP courses offered
2
Charter school
No
Magnet school
No
Locale
Suburb — Large
School district
Gladstone SD 115
County
Clackamas County
NCES school ID
410561000146

Schools near Gladstone High School

All 5 schools in Gladstone →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.