Serving 2,452 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 74% (which is higher than the Washington state average of 40%). 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 23:1 is higher than the Washington state level of 16:1.
Minority enrollment is 54% 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: 2,452 students
Student:Teacher Ratio: 23:1
Minority Enrollment: 54%
Graduation Rate
: 97% (Top 1% in WA)
Overall Testing Rank
: Top 5%
Math Proficiency
: 74% (Top 10%)
Reading Proficiency
: 88% (Top 5%)
Science Proficiency
: 80-84% (Top 5%)
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Issaquah 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 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.
What percent of students have achieved state testing proficiency in math and reading?
74% of students have achieved math proficiency (compared to the 40% 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 97%, which is higher than the Washington state average of 84%.
How many students attend Issaquah High School?
2,452 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 23:1, which is higher than the Washington state average of 16:1.
What grades does Issaquah High School offer ?
Issaquah High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Issaquah High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 2,452 students
Student:Teacher Ratio: 23:1
Minority Enrollment: 54%
Graduation Rate
: 97% (Top 1%)
Overall Testing Rank
: Top 5%
Math Proficiency
: 74% (Top 10%)
Reading Proficiency
: 88% (Top 5%)
Science Proficiency
: 80-84% (Top 5%)
Source: National Center for Education Statistics (NCES), WA Dept. of Education
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