High school (grades 9-12) · Sammamish, WA

Skyline High School

Federal NCES profile for Skyline High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.

2024-25 NCES dataHigh school (grades 9-12)NCES 530375002567
0/100100/10041/100
👥 S:T ratio
6
📚 AP courses
15
🌟 Gifted program
70
🎓 Counselors
25
📋 Attendance
89
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →

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.

#3 of 4
public schools in Sammamish · Resource Index
41
Resource Index · Typical
23.6:1
large classes for Washington
5.1%
free-lunch eligible

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.

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

Student-teacher ratio in context

How Skyline High School compares with Washington and U.S. medians

Larger classes than state median

Source: NCES Common Core of Data As of 2024-25 federal staff survey Total enrollment ÷ full-time-equivalent classroom teachers

What stands out at Skyline High School

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

How Skyline High School compares

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

23.6:1
Leaner classes than 7% of US schools, heavier class loads than most.
2,244
Bigger than 99% of US schools by enrollment, a large campus nationally.

Equity indicators (what these measure)

Economic need
5.1%
free-lunch eligible - 89% below the Washington average of 45.0%
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
23.6:1
students per teacher - 34% above state mean
Top 92% in Washington - lower ratio than 8% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
4.4%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$16,527
per pupil, district-wide - below Washington avg of $19,487
Close to the U.S. public-school average per-pupil spend.
Support staff
Counselors6.0 FTE
Per 374 students, the combined health-and-guidance staffing load for this school.
Discipline context
3
in-school suspensions + 5 out-of-school
Suspension rate: 0.1 per 100 students. Combined in-school and out-of-school rate: 0.4 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

Asian 43.9%
White 36.8%
Two or More 8.6%
Hispanic or Latino 8.1%
African American 2.2%
Native Hawaiian / Pacific Islander 0.4%
American Indian / Alaska Native 0.1%

Largest group: Asian at 43.9% of enrollment.

Student-body diversity index 65.7/100

Simpson diversity index - at 65.7, Skyline High School is more mixed than the Washington school average of 53.3.

Programs

AP courses offered 3
Gifted & talented Yes

Funding & spending

District-wide per-pupil expenditure for Issaquah School District, which includes Skyline High School.

$16,527
Per student
-15%
vs Washington
Avg $19,487
0%
vs U.S.
Avg $16,593
Revenue mix
Local 37.4%
State 55.4%
Federal 7.2%

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 Skyline High School Compares to District-Mates

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.

Other Schools in This District

Issaquah School District · 5 sibling schools

View district profile

Similar high schools in Sammamish

1 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 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.

Frequently asked questions about Skyline High School

How many students attend Skyline High School?

Skyline High School has 2,244 students enrolled. It is a high school in Sammamish, WA.

What is the student-teacher ratio at Skyline High School?

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.

What percentage of students receive free lunch at Skyline High School?

5.1% of students at Skyline High School are eligible for free lunch, compared to the Washington average of 45.0%.

What is the racial and ethnic makeup of Skyline High School?

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.

What is the Resource Investment Index for Skyline High School?

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).

How does Skyline High School rank among public schools in Sammamish?

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.

Is Skyline High School a good school?

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.

What other schools are in Issaquah School District?

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.

Source: National Center for Education Statistics (NCES) CCD + Public School Universe (2024-25), CRDC (2021-22), F-33 District Finance Survey (FY 2021-22) · 2024-25 Data as of the 2024-25 school year. Coverage from U.S. Department of Education NCES Common Core of Data. Varies by entity type; administrative districts and certain charter networks may report only a subset of fields.

All federal data sources used on this page

Full source list and how we compute each figure: methodology page.

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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.