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How has Lake Oswego Senior High School changed in the last five years, for better or worse?
Community prompt from u/allk12. Replies below.
Enrollment
1,282
High
DISTRICT 848 · STATE 630
SCHOOL COMMUNITY·LAKE OSWEGO SD 7J·NCES 410723000068
Lake Oswego High School
2501 SW Country Club Rd, Lake Oswego, OR 97034 · (503) 534-2313 · Clackamas County
GRADES 09–12HIGH21-SUBURBREGULAR SCHOOL1,282 STUDENTS
A
allk12 Grade
Scored higher than 93% of Oregon public high schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- A-Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Oregon public high schools
Student : Teacher
18.5:1
69 FTE teachers
DISTRICT 13.7:1 · STATE 19.8:1
Free / Reduced Lunch
14%
185 students
DISTRICT 19% · STATE 76%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 9 | 329 | 26% |
| Grade 10 | 335 | 26% |
| Grade 11 | 326 | 25% |
| Grade 12 | 292 | 23% |
Student demographics
56%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 52% · STATE 59% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
OSAS 2024-25 . % ProficientEnglish Language Arts
84.5%
OR avg 43.0% . +7.4pp since 2023
Math
59.2%
OR avg 31.8% . +5.0pp since 2023
What this means: On the OSAS, Oregon's statewide test, about 85 of every 100 students at this school read and write at grade level and about 59 of 100 do math at grade level. Across all Oregon schools, those numbers are about 43 and 32. Reading and writing scores are up about 7 points since 2023, while math scores are up about 5 points.
OSAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 84.5% | 59.2% |
| 2023-24 | 77.1% | 54.2% |
% Proficient, all students and all tested grades.
Source: OSAS. All students, all grades. See all years and grades →
BeatsExpectations
Demographically-adjusted score · methodologyTier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
63.8%
composite math + reading, all grades
Predicted
57.0%
based on OR schools with similar FRL share
Beats by
+6.8pp
above demographic expectation
What this means: About 64% of students here test proficient in math and reading, compared with the roughly 57% typical for Oregon schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Oregon's top nor bottom 10%.
BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →
Schools most like Lake Oswego High School
Lake Oswego High School's state test result (63.8% proficient) is higher than 5 of the 5 schools below with a result.
| School | Students | Low-income | Proficient |
|---|---|---|---|
| Lake Oswego High School this school | 1,282 | 14.4% | 63.8% |
| Lakeridge High School Lake Oswego | 1,241 | 12.2% | 54.7% |
| West Linn High School West Linn | 1,809 | 15.7% | 49.8% |
| Sherwood High School Sherwood | 1,668 | 19.2% | 42.7% |
| New Urban High School Milwaukie | 320 | 22.5% | 13.3% |
| Scappoose High School Scappoose | 709 | 28.3% | 37.7% |
Matched among Oregon high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.
Where Lake Oswego High School ranks
Among high schools| Measure | This school | In Oregon | In Clackamas County |
|---|---|---|---|
| State test proficiency ranked highest first | 63.8% | #4 of 177 | #1 of 17 |
| Math proficiency ranked highest first | 59.2% | #3 of 194 ▲ 3 | #1 of 19 no change |
| Reading proficiency ranked highest first | 84.5% | #1 of 201 ▲ 6 | #1 of 20 ▲ 1 |
| Enrollment ranked largest first | 1,282 | #52 of 257 | #6 of 22 |
| Students per teacher ranked fewest first | 18.5:1 | #71 of 171 | #5 of 17 |
| Diversity index ranked most diverse first | 56.0% | #51 of 171 | #7 of 17 |
| Free and reduced lunch ranked highest share first | 14.4% | #206 of 207 | #18 of 19 |
| Enrollment change since 2017-18 ranked fastest growth first | +0.7% | #62 of 67 | #7 of 8 |
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
1,282
+31 (+2%) vs 2020
+28% since 1990-91, when it was 1,003
Student : Teacher
18.5:1
was 18.4:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 1,282 | 69.2 | 18.5:1 | 14% (185) |
| 2023-24 | 1,275 | 68 | 18.8:1 | 12% (159) |
| 2022-23 | 1,245 | 64.8 | 19.2:1 | 8% (98) |
| 2020-21 | 1,251 | 68 | 18.4:1 | N/A |
| 2017-18 | 1,273 | 65.7 | 19.4:1 | 8% (101) |
| 2015-16 | 1,341 | 58 | 23.1:1 | 8% (109) |
| 2010-11 | 1,256 | 55 | 22.8:1 | 8% (103) |
| 2000-01 | 1,180 | 60 | 19.7:1 | 2% (25) |
| 1990-91 | 1,003 | 60 | 16.7:1 | N/A |
Source: NCES Common Core of Data. Rows are the federal collections on file for Lake Oswego High School.
Since 2017-18: students up 1% (1,273 to 1,282); teachers up 5% (65.7 to 69.2).
About Lake Oswego High School
Lake Oswego High School is a large high school in Oregon, located in Lake Oswego. School enrollment was 1,282 students in 2024-25, in grades 9 through 12. For comparison, high schools in Oregon average about 630 students.
Across its 12 schools, Lake Oswego SD 7J enrolls 6,827 students. Lake Oswego High School is one of those schools.
By race and ethnicity, Lake Oswego High School is 62% White. It is also 13% Asian, 12% multiracial, and 10% Hispanic. For comparison, the population of Clackamas County is roughly 79% White. By the diversity index, Lake Oswego High School comes in at 56%.
A ratio of 18.5:1 comes from the school's 69.2 full-time-equivalent teachers. The 19.8:1 average for high schools in Oregon is higher than this school's figure. The lunch program counts 14% of students at Lake Oswego High School as eligible for free or reduced-price meals. That is 36 points below the 50% average for public schools in Clackamas County.
Lake Oswego High School is graded A by allk12, scoring above 93% of Oregon public high schools once test results, poverty-adjusted performance, and the recent trend are combined.
BeatsExpectations compares each school's average proficiency rate on state tests with a prediction based on free or reduced-price lunch eligibility. For Lake Oswego High School, the prediction is 57.0% and the result is 63.8%.
According to the American Community Survey, in Clackamas County, median household income is about $103,517, a bachelor's degree or higher is held by about 41% of adults, and the share of residents below the poverty line is 5%. Lake Oswego High School is one of 118 public schools in Clackamas County, which together enroll about 57,601 students.
Lake Oswego Middle School is the nearest neighboring public school, about 0.3 miles away. Counting only straight-line distance, at least 8 other public schools are within five miles. Among its closest neighbors with test data, Lake Oswego High School is 5th of 7 on proficiency.
Its location is classified as Suburb: Large by the National Center for Education Statistics.
Enrollment has been fairly stable: 1,251 in 2020-21 and 1,282 in 2024-25.
Questions about sports schedules, lunch menus, and spirit week can be posted here. Questions from prospective families are welcome too.
Clackamas County at a glance
View full county profilePopulation
423,975
Census ACS
Median income
$103,517
Household, ACS
Bachelor's+
41%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
118
57,601 students
Quick facts
Related schools
Other schools in Lake Oswego SD 7J
- Lakeridge High SchoolHigh · 1,241 students
- Lakeridge Middle SchoolMiddle · 888 students
- Lake Oswego Middle SchoolMiddle · 791 students
- Lake Grove Elementary SchoolElementary · 425 students
- Oak Creek Elementary SchoolElementary · 402 students
- Forest Hills Elementary SchoolElementary · 389 students
Other schools in Lake Oswego
- Lakeridge High SchoolHigh · 1,241 students
- Lakeridge Middle SchoolMiddle · 888 students
- Lake Oswego Middle SchoolMiddle · 791 students
- Lake Grove Elementary SchoolElementary · 425 students
- Oak Creek Elementary SchoolElementary · 402 students
- Forest Hills Elementary SchoolElementary · 389 students
Nearby schools
- Lake Oswego Middle School0.3 mi · 791
- Stephenson Elementary School1.0 mi · 285
- Forest Hills Elementary School1.3 mi · 389
- Oak Creek Elementary School1.3 mi · 402
- Lake Grove Elementary School1.3 mi · 425
- Jackson Middle School1.6 mi · 715
Frequently asked questions
About Lake Oswego High SchoolHow many students attend Lake Oswego High School?
Lake Oswego High School enrolls approximately 1,282 students in grades 09-12.
What grades does Lake Oswego High School serve?
Lake Oswego High School serves grades 09-12.
What is the student-teacher ratio at Lake Oswego High School?
The student-to-teacher ratio at Lake Oswego High School is approximately 18.5:1 (69 FTE teachers).
What is the racial breakdown of students at Lake Oswego High School?
At Lake Oswego High School, the student body is approximately 62% White, 10% Hispanic, 1% Black, 13% Asian, 12% Two or more.
Who oversees Lake Oswego High School?
Lake Oswego High School is overseen by Lake Oswego SD 7J in Clackamas County.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.