Excellent
#183 of 1,226 schools in OR
Top 15% in state
Lake Oswego Senior High School
High School · Lake Oswego SD 7J
PO Box 310, Lake Oswego, OR 97034
Enrollment
1,275
Student-Teacher
19:1
Score
8.3
Grades
9th – 12th
Enrollment
1,275
Student-Teacher
19:1
Score
8.3
Grades
9th – 12th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Oregon schools
#183 of 1,226
In Lake Oswego
#9 of 11
public schools
In district
#9 of 12
Lake Oswego SD 7J
Academic performance
9.3 / 10
Excellent
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Lake Oswego Senior High School
High School in Lake Oswego · grades 9th – 12th. Start here, then compare fit against nearby and district options.
Lake Oswego Middle School
0.3 mi away. Use as a geographic alternative in the same move search.
Maayan Torah Day School
0.6 mi away. Use as a geographic alternative in the same move search.
About Lake Oswego Senior High School
Lake Oswego Senior High School is a public high school in Lake Oswego, OR, part of Lake Oswego SD 7J. Lake Oswego Senior High School serves approximately 1,275 students, and covers grades 9th-12th, and has a 19:1 student-teacher ratio. Lake Oswego Senior High School has a current MySchoolScout rating of 8.3 out of 10 and ranks #183 of 1,226 schools in OR.
Structured state assessment records for Lake Oswego Senior High School show 69% math proficiency (multi-year average, 2009-2022) and 85% reading/ELA proficiency (multi-year average, 2009-2022).
- This school 8.3 · Excellent
- District avg 7.5
- OR avg 5.9
Score Breakdown
Full Profile · 4/4 metricsView breakdown
View breakdown
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Lake Oswego Senior High School — Students at Lake Oswego Senior High School score 64% proficient, which is above what's typical for similar communities (expected: 50%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
12.5%
Students qualifying for federal meal assistance
Test Scores OR EDFACTS (2021-22)
Based on 28 test records from OR state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 7.8/10.
How Lake Oswego Senior High School Compares
See how Lake Oswego Senior 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
PO Box 310, Lake Oswego, OR 97034
Nearby Alternatives
Families considering Lake Oswego Senior High School may also want to explore other high schools in the area. Riverdale High School (rated 9.5/10, 2.1 miles away, in nearby Portland), which scores notably higher. Additionally, Lakeridge High School (rated 8.2/10, 2.1 miles away), with a very similar rating. For more schools in Lake Oswego, see our Lake Oswego schools guide .
Nearby Schools
20 within 2.6 miNeighborhood Census ACS (2019-2023)
Census data for ZIP 97034 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$147,688
Median Home Value
$995,900
Median Rent
$2,030/mo
Population
21,119
College Educated
74.5%
Homeownership
76.1%
Avg Commute
23.5 min
Poverty Rate
2.6%
Median Age
49.3
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Lakeridge High School Lake Oswego, OR | 8.2 |
| Cleveland High School Portland, OR | 8.5 |
| International School of Beaverton Beaverton, OR | 8.5 |
| Beaverton Academy of Science and Engineering Hillsboro, OR | 8.1 |
| Lincoln High School Portland, OR | 7.8 |
| Ashland High School Ashland, OR | 7.6 |
Frequently Asked Questions
Common questions about Lake Oswego Senior High School
What grades does Lake Oswego Senior High School serve?
Lake Oswego Senior High School serves students in grades 9th through 12th.
How many students attend Lake Oswego Senior High School?
Lake Oswego Senior High School has an enrollment of approximately 1,275 students.
What is the student-teacher ratio at Lake Oswego Senior High School?
The student-teacher ratio at Lake Oswego Senior High School is 19:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Lake Oswego Senior High School rank in OR?
Lake Oswego Senior High School ranks #183 of 1,226 schools in OR.
What is Lake Oswego Senior High School's MySchoolScout rating?
Lake Oswego Senior High School has a current MySchoolScout rating of 8.3 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 Lake Oswego Senior High School?
Based on loaded state assessment records, Lake Oswego Senior High School has 69% math proficiency (multi-year average, 2009-2022) and 85% reading/ELA proficiency (multi-year average, 2009-2022).
Is Lake Oswego Senior High School a charter school?
No, Lake Oswego Senior High School is not a charter school. It is a traditional public school operated by the local school district.
Is Lake Oswego Senior High School a Title I school?
No, Lake Oswego Senior High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Lake Oswego Senior High School?
12.5% of students at Lake Oswego Senior 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
- 1,275
- Student-Teacher Ratio
- 19:1
- Teachers (FTE)
- 67
- Free/Reduced Lunch
- 12.5%
- Type
- regular
- Setting
- Large Suburb
- County
- Clackamas County
- Chronic Absenteeism (SY 2022-23)
- 26.7%
- Phone
- (503) 534-2313
- 4-Year Graduation
- 98.0%
Resources & Links
District
Lake Oswego SD 7J- District Enrollment
- 6,849
- Schools in District
- 12
- Per-Pupil Spending
- $17,601
- District Rank
- #9 of 12
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