Enrollment
1,282
Oregon · 2024-25 NCES data
High school (grades 9-12) · Lake Oswego, OR
Lake Oswego Senior High School
Federal NCES profile for Lake Oswego Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 410723000068
👥 S:T ratio 20
📚 AP courses 100
🌟 Gifted program 70
🎓 Counselors 34
📋 Attendance 30
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lake Oswego Senior High School earns 51/100 on the Resource Investment Index, with class sizes larger than 78% of Oregon schools. It is also one of the largest schools in Oregon.
- #3 of 3
- high schools in Lake Oswego · Resource Index
- 51
- Resource Index · Higher
- 20:1
- large classes for Oregon
- 6.7%
- free-lunch eligible
Lake Oswego Senior High School has class sizes larger than 78% of Oregon schools. Computed live against every Oregon school reporting to NCES.
By Resource Investment Index, Lake Oswego Senior High School ranks #3 of 3 high schools in Lake Oswego, OR.
School address
District: Lake Oswego Sd 7j · Oregon
NCES ID 410723000068 Verify on NCES CCD record →
Teachers (FTE)
64.0
Federal CCD staff survey
Students per teacher
20:1
vs 17.6:1 Oregon avg
+14% vs state
Free-lunch eligible
6.7%
vs 52.8% Oregon avg
-87% vs state
Student-teacher ratio in context
How Lake Oswego Senior High School compares with Oregon and U.S. medians
What stands out at Lake Oswego Senior High School
Lake Oswego Senior High School is a lower-poverty, large high school in Lake Oswego, Oregon, enrolling 1,282 students.
Class loads run somewhat heavier than typical: 20:1 puts it in the larger third of Oregon schools by student-teacher ratio.
Comparatively few students face economic hardship here, 6.7% free-meal eligibility runs 87% below the Oregon average.
By headcount it is one of the larger campuses in Oregon, bigger than 96% of state schools at 1,282 students.
Its Resource Investment Index sits near the middle of the pack among 1,273 scored Oregon schools.
Against 24 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #10.
Its student body is led by White (63%) and Asian (14%) (diversity index 56/100).
On the academic-pipeline side it reports 23 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 329 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 28.2% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Among Lake Oswego's high schools, it stands alongside Lakeridge High School (1,241 students): Lake Oswego Senior High School is larger than that campus by headcount and runs leaner classes (20:1 vs 20.3:1).
Lake Oswego Sd 7j also operates Lakeridge High School (1,241 students) and Lakeridge Middle School (888 students) alongside Lake Oswego Senior High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Lake Oswego Senior High School compares
Lake Oswego Senior High School on the metrics families compare, against Oregon and U.S. means.
| Metric | This school | vs Oregon | Oregon avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20:1 | ▲ 14% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 6.7% | ▼ 87% | 52.8% | 51.7% |
| Enrollment | 1,282 | top 4% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20:1
Leaner classes than 16% of US schools, heavier class loads than most.
1,282
Bigger than 95% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
6.7%
free-lunch eligible
- 87% below the Oregon average of 52.8%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
20:1
students per teacher
- 14% above state mean
Top 78% in Oregon - lower ratio than 22% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
28.2%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$14,708
per pupil, district-wide
- below Oregon avg of $18,086
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors3.9 FTE
Per 329 students, the combined health-and-guidance staffing load for this school.
Discipline context
13
in-school suspensions + 11 out-of-school
Suspension rate: 1.0 per 100 students. Combined in-school and out-of-school rate: 1.9 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 63.0%
Asian 13.5%
Two or More 12.3%
Hispanic or Latino 9.7%
African American 1.0%
American Indian / Alaska Native 0.4%
Native Hawaiian / Pacific Islander 0.1%
Largest group: White at 63.0% of enrollment.
Student-body diversity index 56.0/100
Simpson diversity index - at 56.0, Lake Oswego Senior High School is more mixed than the Oregon school average of 47.1.
Programs
AP courses offered 23
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Lake Oswego Sd 7j, which includes Lake Oswego Senior High School.
$14,708
Per student
-19%
vs Oregon
Avg $18,086
-11%
vs U.S.
Avg $16,593
Revenue mix
Local 63.2%
State 31.5%
Federal 5.3%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Lake Oswego Senior High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Lakeridge High School | Similar size | Similar economic need | Similar S:T ratio |
| Lakeridge Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Lake Oswego Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Lake Grove Elementary School | Smaller | Similar economic need | Lower S:T ratio |
| Oak Creek Elementary School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Lake Oswego Senior High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,241
- Students per teacher
- 20.3:1
- Resource Index
- 39/100
- Enrollment
- 888
- Students per teacher
- 20.2:1
- Resource Index
- 45/100
- Enrollment
- 791
- Students per teacher
- 17.6:1
- Resource Index
- 48/100
- Enrollment
- 425
- Students per teacher
- 14.7:1
- Resource Index
- 49/100
- Enrollment
- 402
- Students per teacher
- 14.4:1
- Resource Index
- 52/100
Similar high schools in Lake Oswego
2 comparable high schools (grades 9-12) serving the same city.
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Oregon, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~1,282 students)
Next steps
Verify locally before acting on Lake Oswego Senior High School's federal record.
- Compare Lake Oswego Senior High School against another school. Compare schools
- Lake Oswego Sd 7j's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Lake Oswego Senior High School
How many students attend Lake Oswego Senior High School?
Lake Oswego Senior High School has 1,282 students enrolled. It is a high school in Lake Oswego, OR.
What is the student-teacher ratio at Lake Oswego Senior High School?
The student-teacher ratio at Lake Oswego Senior High School is 20:1, which is 14% higher than the Oregon average of 17.6:1 and 27% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Lake Oswego Senior High School?
6.7% of students at Lake Oswego Senior High School are eligible for free lunch, compared to the Oregon average of 52.8%.
What is the racial and ethnic makeup of Lake Oswego Senior High School?
The largest demographic group at Lake Oswego Senior High School is White at 63.0% of enrollment, in Lake Oswego, OR. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.0/100.
What is the Resource Investment Index for Lake Oswego Senior High School?
Lake Oswego Senior High School has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Lake Oswego Senior High School rank among high schools in Lake Oswego?
By Resource Investment Index, Lake Oswego Senior High School ranks #3 of 3 high schools in Lake Oswego, OR. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Lake Oswego on the city page.
Is Lake Oswego Senior High School a good school?
Lake Oswego Senior High School earns 51/100 on the Resource Investment Index, with class sizes larger than 78% of Oregon schools. It is also one of the largest schools in Oregon. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in Lake Oswego Sd 7j?
Besides Lake Oswego Senior High School, Lake Oswego Sd 7j also operates Lakeridge High School (1,241 students), Lakeridge Middle School (888 students), and Lake Oswego Middle School (791 students). See the Lake Oswego Sd 7j district page for the complete list.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.