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Skyline High School

1122 228th Ave SE, Sammamish, WA 98075

ASchola Grade
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Grades
9–12
High
Students
2,244
Enrolled 2024–25
Students per teacher
23.7 : 1
Full-time teachers
District
Issaquah School District
King County

Schola Grade A · Excellent

Letter grade (A–F) · compared with 338 Washington high schools · How we grade
Test scores78% proficient in math & reading
97thpercentile
Equity54% of low-income students proficient
93rdpercentile
Attendance29% chronically absent
82ndpercentile
Graduation rate98% graduate in 4 years
99thpercentile
College readinessAt least 74% take AP, IB or dual-enrollment courses
94thpercentile
Class size23.7 students per teacher
10thpercentile

Percentiles compare this school with other Washington high schools; the line marks the middle. Data: test scores 2021–22, graduation and absenteeism 2022–23 (U.S. Department of Education, EDFacts); coursework 2023–24 (Civil Rights Data Collection); staffing 2024–25 (NCES).

About Skyline High School

Skyline High School is a public high school in Sammamish, Washington, serving grades 9–12. It is part of Issaquah School District. The school is located in a large suburb in King County.

In the 2024–25 school year, 2,244 students were enrolled, with about 23.7 students for every full-time teacher. That ratio is larger than the typical Washington high school (19.2 students per teacher). Its Schola Grade is A (excellent), compared with 338 Washington high schools.

Grades & enrollment

Students per grade, 2024–25Grades 9–12

Location & nearby schools

1122 228th Ave SE
Sammamish, WA 98075
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School details

Type
Public School · What this means
Level
High
Grades offered
9–12
Enrollment (2024–25)
2,244 students
Students per teacher
23.7 to 1
AP courses offered
5
Charter school
No
Magnet school
No
Virtual learning
Offers virtual courses
Locale
Suburb — Large
School district
Issaquah School District
County
King County
NCES school ID
530375002567

Schools near Skyline High School

All 20 schools in Sammamish →

School data comes from the U.S. Department of Education: the National Center for Education Statistics (NCES) Common Core of Data and EDGE school locations (2024–25) and Private School Survey (2023–24), the Civil Rights Data Collection (2023–24), and EDFacts (test results 2021–22; graduation and chronic absenteeism 2022–23), plus other public sources. Please contact the school to confirm enrollment, programs, and other details. How we source data.