Gladstone High School is a public high school in Gladstone, Oregon, United States. It is one of the smallest public high schools in the Portland area.
Serving 571 students in grades 9-12, Gladstone High School ranks in the bottom 50% of all schools in Oregon for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is ≤5% (which is lower than the Oregon state average of 31%). The percentage of students achieving proficiency in reading/language arts is 25-29% (which is lower than the Oregon state average of 44%).
The student:teacher ratio of 21:1 is higher than the Oregon state level of 17:1.
Minority enrollment is 30% of the student body (majority Hispanic), which is lower than the Oregon state average of 42% (majority Hispanic).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 571 students
- Student:Teacher Ratio: 21:1
- Minority Enrollment: 30%
- Graduation Rate: 85-89% (Top 30% in OR)
- Overall Testing Rank: Bottom 50%
- Math Proficiency: ≤5% (Btm 50%)
- Reading Proficiency: 25-29% (Btm 50%)
- Science Proficiency: 6-9% (Btm 50%)
- Source: National Center for Education Statistics (NCES), OR Dept. of Education
School Overview
Gladstone High School's student population of 571 students has declined by 13% over five school years.
The teacher population of 27 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
571 students
Gender %
Total Classroom Teachers
27 teachers
Year Founded
1966
Colors
Black, Orange
School Rankings
Gladstone High School ranks within the bottom 50% of all 1,196 schools in Oregon (based off of combined math and reading proficiency testing data).
The diversity score of Gladstone High School is 0.48, 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
#1123 out of 1196 schools
(Bottom 50%)
(Bottom 50%)
Math Test Scores (% Proficient)
≤5%
31%
Reading/Language Arts Test Scores (% Proficient)
25-29%
44%
Science Test Scores (% Proficient)
6-9%
30%
Student : Teacher Ratio
21:1
17:1
American Indian
1%
1%
Asian
1%
4%
Hispanic
17%
26%
Black
1%
3%
White
70%
58%
Hawaiian
2%
1%
Two or more races
8%
7%
All Ethnic Groups
Graduation Rate
85-89%
81%
Eligible for Free Lunch
42%
51%
Eligible for Reduced Lunch
8%
3%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), OR Dept. of Education
School Notes
- School Mascot: Gladiator
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Gladstone High School's ranking?
Gladstone High School is ranked #1123 out of 1,196 schools, which ranks it among the bottom 50% of public schools in Oregon.
What schools are Gladstone High School often compared to?
Gladstone High Schoolis often viewed alongside schools like Oregon City Senior High School, Milwaukie High School, Clackamas High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
≤5% of students have achieved math proficiency (compared to the 31% OR state average), while 25-29% of students have achieved reading proficiency (compared to the 44% OR state average).
What is the graduation rate of Gladstone High School?
The graduation rate of Gladstone High School is 85-89%, which is higher than the Oregon state average of 81%.
How many students attend Gladstone High School?
571 students attend Gladstone High School.
What is the racial composition of the student body?
70% of Gladstone High School students are White, 17% of students are Hispanic, 8% of students are Two or more races, 2% of students are Hawaiian, 1% of students are American Indian, 1% of students are Asian, and 1% of students are Black.
What is the student:teacher ratio of Gladstone High School?
Gladstone High School has a student ration of 21:1, which is higher than the Oregon state average of 17:1.
What grades does Gladstone High School offer ?
Gladstone High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Gladstone High School part of?
Gladstone High School is part of Gladstone SD 115 School District.
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