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Very Good

#686 of 2,225 schools in WA

Top 31% in state

Skyline High School

High School · Issaquah School District

1122 228TH AVE SE, Sammamish, WA 98075

Enrollment

2,193

Student-Teacher

23.1:1

Score

7.2

Grades

9th – 12th

Updated 2022-23

How this school compares

In Sammamish

#4 of 4

public schools

Washington high schools

#87 of 476

In district

#21 of 30

Issaquah School District

Equity

9.5 / 10

Exceptional

About Skyline High School

Skyline High School serves 2,193 students in grades 9 through 12 in Sammamish, Washington, earning recognition as one of the state's stronger academic performers. The school ranks #290 out of 2,261 Washington high schools, placing it in the 87th percentile statewide with a solid MySchoolScout rating of 7.4 out of 10. Academic achievement stands out at Skyline, with an impressive 9.7 out of 10 academic score and 87% of students demonstrating proficiency or above in English Language Arts and Reading across all grade levels.

The school operates with 95 full-time equivalent teachers, maintaining a student-teacher ratio of 23.1 to 1. The school draws from an affluent and highly educated community where 75% of residents hold bachelor's degrees or higher. The surrounding 98075 zip code reflects significant economic prosperity, with a median household income of $234,261 and median home values reaching $1,288,200.

The low poverty rate of just 2.7% among the area's 25,202 residents creates a supportive environment for educational achievement. Skyline High School operates in the heart of large suburban Sammamish, where families have chosen to invest heavily in both their community and their children's educational future.

What Parents Should Know

Skyline High School is a large school with 2,193 students enrolled. Larger schools typically offer a wider range of academic programs, electives, and extracurricular activities. Parents may want to ask about how the school maintains a sense of community and ensures students don't get lost in the crowd.

The student-teacher ratio at Skyline High School is 23.1:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress6.6Above Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data3
Annual Change-1.85 pts/yr
Data Period2019–2024
TrendDeclining
Academics9.2Exceptional25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency69.3%
Reading/ELA Proficiency86.5%
Math vs. State Avg+37.8 pts
Reading vs. State Avg+25.3 pts
Overall Proficiency78%
Expected (poverty-adj.)71%
vs. Expected+7.0 pts
Adjusted Percentile87th
College Readiness9.2Exceptional30%
Graduation rates, AP course participation, and IB availability.
View breakdown
AP Participation0.3%
IB ProgramYes
Resources & Environment2.7Needs Improvement20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio23.1:1
Per-Pupil Spending$16,527

Skyline High School — Students at Skyline High School score 78% proficient, which is above what's typical for similar communities (expected: 71%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

8.3%

Students qualifying for federal meal assistance

Test Scores WA SBA (2023-24)

Math Proficiency 72.9%
School
State
35.8%
ELA Proficiency 88.5%
School
State
55.9%

Based on 9 test records from WA state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
80%
ELA
94%
2022
ELA
87%
2024
Math
69.3%
ELA
86.5%

Source: EdFacts (NCES) and state assessment data. Growth score: 6.6/10.

How Skyline High School Compares

See how Skyline High School performs across key quality dimensions compared to state benchmarks.

Overall Score
7.2/10
69th percentile in WA
Academic
9.2/10
9.2/10
Growth
6.6/10
Above average
Environment
2.7/10
Below average

Funding & Resources

Free/Reduced Lunch
Students eligible for subsidized meals
8%
Teaching Staff
23:1 student-teacher ratio
95 teachers

Programs & Offerings

AP/IB Programs IB Programme
0.3% participation·90 IB enrolled·CRDC 2020-21

Data as of 2020-21 · Source: CRDC via Urban Institute · Learn more

Location

1122 228TH AVE SE, Sammamish, WA 98075

Nearby Alternatives

Families considering Skyline High School may also want to explore other high schools in the area. Christa Mcauliffe Elementary (rated 9.2/10, 2.0 miles away), which scores notably higher. Another option is Challenger Elementary (rated 9.0/10, 2.0 miles away, in nearby Issaquah), which scores notably higher. Additionally, Cedar Trails Elementary (rated 8.9/10, 2.3 miles away), which scores notably higher. For more schools in Sammamish, see our Sammamish schools guide .

Nearby Schools

20 within 2.8 mi
School Distance Rating
ARBOR SCHOOLS Sammamish 0.2 mi 7.1
Discovery Elementary Issaquah 0.8 mi 7.8
Eastlake High School Sammamish 0.9 mi 7.3
Renaissance School of Art and Reasoning Sammamish 0.9 mi 5.2
Pine Lake Middle School Sammamish 1.4 mi 7.3
Sunny Hills Elementary Sammamish 1.4 mi 8.8
Samantha Smith Elementary Sammamish 1.5 mi 7.7
LAKESIDE MONTESSORI SCHOOL Issaquah 1.5 mi
Inglewood Middle School Sammamish 1.4 mi 5.1
Rachel Carson Elementary Sammamish 1.5 mi 8.4
Christa Mcauliffe Elementary Sammamish 2.0 mi 9.2
TLC MONTESSORI Sammamish 1.9 mi
Creekside Elementary Sammamish 1.5 mi 8.3
Beaver Lake Middle School Issaquah 1.9 mi 7.9
Cedar Trails Elementary Sammamish 2.3 mi 8.9
Margaret Mead Elementary Sammamish 2.0 mi 8.1
Challenger Elementary Issaquah 2.0 mi 9.0
EASTSIDE COMMUNITY SCHOOL Issaquah 3.0 mi 7.8
ISSAQUAH MONTESSORI SCHOOL Issaquah 3.0 mi
BRIGHTMONT ACADEMY - SAMMAMISH Issaquah 2.8 mi

Neighborhood Census ACS (2019-2023)

Census data for ZIP 98075 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$250,001

Median Home Value

$1,457,900

Median Rent

$3,072/mo

Population

25,231

College Educated

76.7%

Homeownership

88.6%

Avg Commute

32 min

Poverty Rate

2.5%

Median Age

41.3

Community Profile

The community surrounding Skyline High School has a median household income of $250,001. It is a well-educated community where 77% of adults hold a bachelor's degree or higher. The median home value in the area is $1,457,900, with a median rent of $3,072/month. The local poverty rate of 2.5% is relatively low. The average commute for residents is 32 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
Central Kitsap High School Silverdale, WA 7.2
Mercer Island High School Mercer Island, WA 7.2
Roosevelt High School Seattle, WA 7.2
Shorecrest High School Shoreline, WA 7.2
Tahoma Senior High School Maple Valley, WA 7.2
Eastlake High School Sammamish, WA 7.3

Frequently Asked Questions

Common questions about Skyline High School

What grades does Skyline High School serve?

Skyline High School serves students in grades 9th through 12th.

How many students attend Skyline High School?

Skyline High School has an enrollment of approximately 2,193 students.

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

The student-teacher ratio at Skyline High School is 23.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Skyline High School rank in WA?

Skyline High School is ranked #686 out of 2,225 schools in WA.

What is Skyline High School's MySchoolScout rating?

Skyline High School has a composite rating of 7.2 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.

What are the test scores at Skyline High School?

Based on the most recent state assessment data, Skyline High School has 72.9% math proficiency and 88.5% reading/ELA proficiency.

Is Skyline High School a charter school?

No, Skyline High School is not a charter school. It is a traditional public school operated by the local school district.

Is Skyline High School a Title I school?

No, Skyline High School is not currently a Title I school.

What does the Free & Reduced Lunch percentage mean for Skyline High School?

8.3% of students at Skyline 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.

11 schools nearby View map →

Neighborhood Context

Walk Score
23 Car-Dependent
Transit Score
32 Some Transit
Bike Score
36 Somewhat Bikeable
City Safety
Average (570/100K)

Powered by Walk Score

FBI UCR 2024. City-level (Sammamish). Data >1 year old.

Quick Facts NCES CCD (SY 2022-23)

Grades
9th – 12th
Enrollment
2,193
Student-Teacher Ratio
23.1:1
Teachers (FTE)
95
Free/Reduced Lunch
8.3%
Type
regular
Setting
Large Suburb
County
King County
Data Year
2023–2024

District

Issaquah School District
District Enrollment
19,452
Schools in District
30
Per-Pupil Spending
$17,188
District Rank
#21 of 30

How We Rate Schools

Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.

Read our full methodology

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