Skyline High School is a four-year public secondary school in Sammamish, Washington, a suburb east of Seattle. The third and newest high school in the Issaquah School District, it opened in the fall of 1997 and serves the district's northern portion. The school colors are green and silver and the mascot is a Spartan.
Serving 2,193 students in grades 9-12, Skyline High School ranks in the top 5% of all schools in Washington for overall test scores (math proficiency is top 10%, and reading proficiency is top 10%).
The percentage of students achieving proficiency in math is 70% (which is higher than the Washington state average of 40%). The percentage of students achieving proficiency in reading/language arts is 87% (which is higher than the Washington state average of 53%).
The student:teacher ratio of 23:1 is higher than the Washington state level of 16:1.
Minority enrollment is 62% of the student body (majority Asian), which is higher than the Washington state average of 52% (majority Hispanic and Asian).
Quick Stats (2025)
- Grades: 9-12
- Enrollment: 2,193 students
- Student:Teacher Ratio: 23:1
- Minority Enrollment: 62%
- Graduation Rate: 98% (Top 1% in WA)
- Overall Testing Rank: Top 5%
- Math Proficiency: 70% (Top 10%)
- Reading Proficiency: 87% (Top 5%)
- Science Proficiency: 86% (Top 5%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
Top Rankings
Skyline High School ranks among the top 20% of public schools in Washington for:
Category
Attribute
Overall Rank
Math Proficiency
Reading/Language Arts Proficiency
Science Proficiency
Graduation Rate
School Overview
Skyline High School's student population of 2,193 students has stayed relatively flat over five school years.
The teacher population of 95 teachers has grown by 5% over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
2,193 students
Gender %
Total Classroom Teachers
95 teachers
Year Founded
1997
School Rankings
Skyline High School ranks within the top 5% of all 2,113 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Skyline High School is 0.67, which is less than the diversity score at state average of 0.69. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#87 out of 2113 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
70%
40%
Reading/Language Arts Test Scores (% Proficient)
87%
53%
Science Test Scores (% Proficient)
86%
49%
Student : Teacher Ratio
23:1
16:1
American Indian
n/a
1%
Asian
42%
9%
Hispanic
8%
26%
Black
2%
5%
White
38%
48%
Hawaiian
n/a
2%
Two or more races
10%
9%
All Ethnic Groups
Graduation Rate
98%
84%
Eligible for Free Lunch
8%
49%
Eligible for Reduced Lunch
2%
8%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Notes
- School Mascot: Sparta
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Skyline High School's ranking?
Skyline High School is ranked #87 out of 2,113 schools, which ranks it among the top 5% of public schools in Washington.
What schools are Skyline High School often compared to?
Skyline High Schoolis often viewed alongside schools like Eastlake High School, Issaquah High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
70% of students have achieved math proficiency (compared to the 40% WA state average), while 87% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Skyline High School?
The graduation rate of Skyline High School is 98%, which is higher than the Washington state average of 84%.
How many students attend Skyline High School?
2,193 students attend Skyline High School.
What is the racial composition of the student body?
42% of Skyline High School students are Asian, 38% of students are White, 10% of students are Two or more races, 8% of students are Hispanic, and 2% of students are Black.
What is the student:teacher ratio of Skyline High School?
Skyline High School has a student ration of 23:1, which is higher than the Washington state average of 16:1.
What grades does Skyline High School offer ?
Skyline High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Skyline High School part of?
Skyline High School is part of Issaquah School District.
School Reviews
5 5/17/2016
It's a good school with mostly good teachers that challenge you in class and make you work hard to get good grades. There are many sports and music classes to take at Skyline and the facilities are top-notch.
5 11/22/2010
Skyline high school is an excellent school that boasts both quality academics and extremely competitive athletics. A tough, college preperatory curiculum has students ready to take on the real world upon graduation. Despite being a young school, founded in 1997, the school holds many state championships in athletics including 5 in football, 2 in soccer, 1 in swim & dive and 1 in softball.
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