Issaquah High School is a four-year public secondary school in Issaquah, Washington, United States, a suburb east of Seattle. It is one of three high schools in the Issaquah School District and serves students in grades 9–12 from the central portion of the district.
Serving 2,419 students in grades 9-12, Issaquah 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 68% (which is higher than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 88% (which is higher than the Washington state average of 53%).
The student-teacher ratio of 22:1 is higher than the Washington state level of 17:1.
Minority enrollment is 54% of the student body (majority Asian), which is higher than the Washington state average of 53% (majority Hispanic and Asian).
Quick Facts (2026)
- Grades: 9-12
- Enrollment: 2,419 students
- Student-Teacher Ratio: 22:1
- Minority Enrollment: 54%
- Graduation Rate: 93% (Top 20% in WA)
- Overall Testing Rank: Top 5%
- Math Proficiency: 68% (Top 10%)
- Reading Proficiency: 88% (Top 5%)
- Science Proficiency: 80-84% (Top 5%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
Top Rankings
Issaquah 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
Issaquah High School's student population of 2,419 students has stayed relatively flat over five school years.
The teacher population of 110 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(Supplemental Virtual)
(Supplemental Virtual)
Total Students
2,419 students
Total Classroom Teachers
110 teachers
Year Founded
1901
Colors
Purple, Gold
School Calendar
Last Day of School
Fri. Jun 12, 2026
Campus Size
50 acres
School Motto
A Vision for ISD
School Rankings
Issaquah High School ranks within the top 5% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Issaquah High School is 0.68, 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
#92 out of 2088 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
68%
41%
Reading/Language Arts Test Scores (% Proficient)
88%
53%
Science Test Scores (% Proficient)
80-84%
49%
Student-Teacher Ratio
22:1
17:1
American Indian
n/a
1%
Asian
30%
9%
Hispanic
11%
27%
Black
3%
5%
White
46%
47%
Hawaiian
n/a
2%
Two or more races
10%
9%
All Ethnic Groups
Graduation Rate
93%
84%
Eligible for Free Lunch
12%
39%
Eligible for Reduced Lunch
5%
9%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Notes
- School Mascot: Eagles
Frequently Asked Questions
What is Issaquah High School's ranking?
Issaquah High School is ranked #92 out of 2,088 schools, which ranks it among the top 5% of public schools in Washington.
What percent of students have achieved state testing proficiency in math and reading?
68% of students have achieved math proficiency (compared to the 41% WA state average), while 88% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Issaquah High School?
The graduation rate of Issaquah High School is 93%, which is higher than the Washington state average of 84%.
How many students attend Issaquah High School?
2,419 students attend Issaquah High School.
What is the racial composition of the student body?
46% of Issaquah High School students are White, 30% of students are Asian, 11% of students are Hispanic, 10% of students are Two or more races, and 3% of students are Black.
What is the student-teacher ratio of Issaquah High School?
Issaquah High School has a student ration of 22:1, which is higher than the Washington state average of 17:1.
What grades does Issaquah High School offer ?
Issaquah High School offers enrollment in grades 9-12 (Supplemental Virtual).
What school district is Issaquah High School part of?
Issaquah High School is part of Issaquah School District.
In what neighborhood is Issaquah High School located?
Issaquah High School is located in the Olde Town neighborhood of Issaquah, WA. There are 3 other public schools located in Olde Town.
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