Enrollment
2,244
Washington · 2024-25 NCES data
High school (grades 9-12) · Sammamish, WA
Federal NCES profile for Skyline High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Skyline High School earns 41/100 on the Resource Investment Index, with class sizes larger than 92% of Washington schools. It is also one of the largest schools in Washington.
Skyline High School has class sizes larger than 92% of Washington schools. Computed live against every Washington school reporting to NCES.
By Resource Investment Index, Skyline High School ranks #3 of 4 public schools in Sammamish, WA.
NCES ID 530375002567 Verify on NCES CCD record →
Enrollment
2,244
Washington · 2024-25 NCES data
Teachers (FTE)
95.0
Federal CCD staff survey
Students per teacher
23.6:1
vs 17.6:1 Washington avg
+34% vs state
Free-lunch eligible
5.1%
vs 45.0% Washington avg
-89% vs state
How Skyline High School compares with Washington and U.S. medians
Larger classes than state median
23.6:1 - 6.0 above the Washington state median of 17.6:1, indicating larger average class loads than typical schools in the state.
Skyline High School is a lower-poverty, large high school in Sammamish, Washington, enrolling 2,244 students.
Class loads run heavy: 23.6:1 is larger than about 92% of Washington schools and 34% above the 17.6:1 state mean, so each teacher carries more students than is typical.
Comparatively few students face economic hardship here, 5.1% free-meal eligibility runs 89% below the Washington average.
By headcount it is one of the larger campuses in Washington, bigger than 99% of state schools at 2,244 students.
Its Resource Investment Index sits near the middle of the pack among 2,394 scored Washington schools.
Against 26 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #7.
Its student body is led by Asian (44%) and White (37%) (diversity index 66/100).
On the academic-pipeline side it reports 3 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 374 students sharing each counselor, though short of the most stretched campuses.
Attendance holds up well here: only 4.4% of students were chronically absent, below the typical post-pandemic national figure.
Among Sammamish's high schools, it stands alongside Eastlake High School (2,481 students): Skyline High School is smaller than that campus by headcount and runs heavier classes (23.6:1 vs 22.6:1).
Issaquah School District also operates Issaquah High School (2,419 students) and Liberty Sr High School (1,495 students) alongside Skyline 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
Skyline High School on the metrics families compare, against Washington and U.S. means.
| Metric | This school | vs Washington | Washington avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 23.6:1 | ▲ 34% | 17.6:1 | 15.7:1 |
| Free-lunch eligible | 5.1% | ▼ 89% | 45.0% | 51.7% |
| Enrollment | 2,244 | top 1% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Asian at 43.9% of enrollment.
Simpson diversity index - at 65.7, Skyline High School is more mixed than the Washington school average of 53.3.
District-wide per-pupil expenditure for Issaquah School District, which includes Skyline High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Issaquah High School | Similar size | Similar economic need | Similar S:T ratio |
| Liberty Sr High School | Smaller | Similar economic need | Similar S:T ratio |
| Pine Lake Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Maywood Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Issaquah Middle School | Smaller | Higher economic need | Lower S:T ratio |
Comparisons are relative to Skyline High School's own figures; each column derives from NCES Common Core of Data.
1 comparable high schools (grades 9-12) serving the same city.
Matched by enrollment size and by staffing ratio across all of Washington, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Skyline High School's federal record.
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.
Skyline High School has 2,244 students enrolled. It is a high school in Sammamish, WA.
The student-teacher ratio at Skyline High School is 23.6:1, which is 34% higher than the Washington average of 17.6:1 and 50% higher than the national average of 15.7:1.
5.1% of students at Skyline High School are eligible for free lunch, compared to the Washington average of 45.0%.
The largest demographic group at Skyline High School is Asian at 43.9% of enrollment, in Sammamish, WA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 65.7/100.
Skyline High School has a Resource Investment Index of 41/100 (typical 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).
By Resource Investment Index, Skyline High School ranks #3 of 4 public schools in Sammamish, WA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Sammamish on the city page.
Skyline High School earns 41/100 on the Resource Investment Index, with class sizes larger than 92% of Washington schools. It is also one of the largest schools in Washington. 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.
Besides Skyline High School, Issaquah School District also operates Issaquah High School (2,419 students), Liberty Sr High School (1,495 students), and Pine Lake Middle School (877 students). See the Issaquah School District district page for the complete list.
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.
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PlainSchools, “Skyline High School, Sammamish WA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/skyline-high-school-wa
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