Needs Improvement
#1186 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
3.6
Grades
9th – 12th
Enrollment
571
Student-Teacher
21.1:1
Score
3.6
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Gladstone
#4 of 4
public schools
Oregon high schools
#231 of 250
In district
#4 of 4
Gladstone SD 115
About Gladstone High School
Gladstone High School is a regular public high school located in the heart of Gladstone, Oregon, within Clackamas County. The school serves students from ninth through twelfth grade and boasts an enrollment of 571 students. With a student-to-teacher ratio of 21.1:1, Gladstone High provides a relatively small class size compared to many larger schools, fostering a supportive learning environment.
Gladstone High School’s academic performance shows areas with room for improvement, ranking at the 10th percentile among Oregon high schools and receiving a MySchoolScout rating of 2.9 out of 10. Test scores reveal that while 42% of students are proficient or above in ELA/Reading, only 14% meet proficiency standards in math. The school is committed to supporting student development through its dedicated faculty, with 27 full-time equivalent teachers.
Situated in a large suburban area, Gladstone High School benefits from the diverse resources and community support of its surroundings, making it an integral part of the local educational landscape.
What Parents Should Know
The student-teacher ratio at Gladstone High School is 21.1:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Score Breakdown
Full Profile · 4/4 metricsView 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 6 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: 3.5/10.
How Gladstone High School Compares
See how Gladstone High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 22% (2019) to 17.1% (2025). Reading/ELA proficiency has declined from 67% (2019) to 33% (2025).
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 6.0/10, 1.8 miles away, in nearby West Linn), which scores notably higher. Another option is Putnam High School (rated 4.7/10, 1.1 miles away, in nearby Milwaukie), which scores notably higher. Additionally, Clackamas Academy of Industrial Sciences (rated 3.9/10, 2.1 miles away, in nearby Oregon City), with a very similar rating. 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
Community Profile
The community surrounding Gladstone High School has a median household income of $91,957. It is a community where 24% of adults hold a bachelor's degree or higher. The median home value in the area is $464,700, with a median rent of $1,721/month. The area has a poverty rate of 12.8%. The average commute for residents is 23 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Pendleton High School Pendleton, OR | 3.6 |
| Cottage Grove High School Cottage Grove, OR | 3.7 |
| Crater School of Business Innovation and Science Central Point, OR | 3.7 |
| South Umpqua High School Myrtle Creek, OR | 3.5 |
| Sweet Home High School Sweet Home, OR | 3.7 |
| Elmira High School Elmira, OR | 3.8 |
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 is ranked #1186 out of 1,226 schools in OR.
What is Gladstone High School's MySchoolScout rating?
Gladstone High School has a composite rating of 3.6 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Gladstone High School?
Based on the most recent state assessment data, Gladstone High School has 13.9% math proficiency and 42.3% reading/ELA proficiency.
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
- City Safety
- High (1,914/100K)
FBI UCR 2024. City-level (Gladstone). Data >1 year old.
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
- Phone
- (503) 655-2544
- Data Year
- 2023–2024
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
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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