Below Average
#1104 of 1,226 schools in OR
Gladstone High School
High School · Gladstone SD 115
18800 Portland Ave, Gladstone, OR 97027
Enrollment
571
Student-Teacher
21.1:1
Score
4.0
Grades
9th – 12th
Enrollment
571
Student-Teacher
21.1:1
Score
4.0
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Oregon schools
#1,104 of 1,226
In Gladstone
#4 of 4
public schools
In district
#4 of 4
Gladstone SD 115
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Gladstone High School
High School in Gladstone · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Gladstone Center for Children and Families
0.2 mi away. Use as a geographic alternative in the same move search.
Paideia Classical Christian School
0.4 mi away. Use as a geographic alternative in the same move search.
About Gladstone High School
Gladstone High School is a public high school in Gladstone, OR, part of Gladstone SD 115. Gladstone High School serves approximately 571 students, and covers grades 9th-12th, and has a 21.1:1 student-teacher ratio. Gladstone High School has a current MySchoolScout rating of 4.0 out of 10 and ranks #1,104 of 1,226 schools in OR.
Structured state assessment records for Gladstone High School show 41% math proficiency (multi-year average, 2009-2025) and 67% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 4.0 · Below Average
- OR avg 5.9
What Parents Should Know
Gladstone High School runs 21.1:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
45% of students at Gladstone High School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
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Gladstone High School — Students at Gladstone High School score 25% proficient, which is below what's typical for similar communities (expected: 38%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
50.4%
Students qualifying for federal meal assistance
Test Scores OR OSAS (2024-25)
Based on 26 test records from OR state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
Source: EdFacts (NCES) and state assessment data. Growth score: 1.9/10.
How Gladstone High School Compares
See how Gladstone High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
18800 Portland Ave, Gladstone, OR 97027
Nearby Alternatives
Families considering Gladstone High School may also want to explore other high schools in the area. West Linn High School (rated 6.9/10, 1.8 miles away, in nearby West Linn), which scores notably higher. Another option is Putnam High School (rated 4.5/10, 1.1 miles away, in nearby Milwaukie), which scores slightly higher. Additionally, Clackamas Academy of Industrial Sciences (rated 4.4/10, 2.1 miles away, in nearby Oregon City), which scores slightly higher. For more schools in Gladstone, see our Gladstone schools guide .
Nearby Schools
20 within 2.4 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 97027 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$91,957
Median Home Value
$464,700
Median Rent
$1,721/mo
Population
12,413
College Educated
24.4%
Homeownership
64.3%
Avg Commute
22.9 min
Poverty Rate
12.8%
Median Age
45.7
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Baker High School Baker City, OR | 4.0 |
| Pendleton High School Pendleton, OR | 4.0 |
| Hidden Valley High School Grants Pass, OR | 3.9 |
| Junction City High School Junction City, OR | 4.3 |
| Scappoose High School Scappoose, OR | 3.7 |
| Clackamas Academy of Industrial Sciences Oregon City, OR | 4.4 |
Frequently Asked Questions
Common questions about Gladstone High School
What grades does Gladstone High School serve?
Gladstone High School serves students in grades 9th through 12th.
How many students attend Gladstone High School?
Gladstone High School has an enrollment of approximately 571 students.
What is the student-teacher ratio at Gladstone High School?
The student-teacher ratio at Gladstone High School is 21.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Gladstone High School rank in OR?
Gladstone High School ranks #1,104 of 1,226 schools in OR.
What is Gladstone High School's MySchoolScout rating?
Gladstone High School has a current MySchoolScout rating of 4.0 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Gladstone High School?
Based on loaded state assessment records, Gladstone High School has 41% math proficiency (multi-year average, 2009-2025) and 67% reading/ELA proficiency (multi-year average, 2009-2025).
Is Gladstone High School a charter school?
No, Gladstone High School is not a charter school. It is a traditional public school operated by the local school district.
Is Gladstone High School a Title I school?
No, Gladstone High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Gladstone High School?
50.4% of students at Gladstone High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 571
- Student-Teacher Ratio
- 21.1:1
- Teachers (FTE)
- 27
- Free/Reduced Lunch
- 50.4%
- Type
- regular
- Setting
- Large Suburb
- County
- Clackamas County
- Chronic Absenteeism (SY 2022-23)
- 45.2%
- Phone
- (503) 655-2544
- 4-Year Graduation
- 87.0%
Resources & Links
District
Gladstone SD 115- District Enrollment
- 1,609
- Schools in District
- 4
- Per-Pupil Spending
- $18,309
- District Rank
- #4 of 4
Other Schools in This District
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