Interlake High School is a public secondary school in Bellevue, Washington, one of the four traditional high schools in the Bellevue School District. Its mascot is a Saint Bernard named Bernie, and the school's sports teams are known as the "Saints."
Serving 1,611 students in grades 9-12, Interlake Senior 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 41%). The percentage of students achieving proficiency in reading/language arts is 89% (which is higher than the Washington state average of 53%).
The student-teacher ratio of 19:1 is higher than the Washington state level of 17:1.
Minority enrollment is 78% 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: 1,611 students
- Student-Teacher Ratio: 19:1
- Minority Enrollment: 78%
- Graduation Rate: 91% (Top 30% in WA)
- Overall Testing Rank: Top 5%
- Math Proficiency: 74% (Top 10%)
- Reading Proficiency: 89% (Top 5%)
- Science Proficiency: 86% (Top 5%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
Top Rankings
Interlake Senior 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
School Overview
Interlake Senior High School's student population of 1,611 students has stayed relatively flat over five school years.
The teacher population of 84 teachers has stayed relatively flat over five school years.
Grades Offered
Grades 9-12
(No virtual instruction)
(No virtual instruction)
Total Students
1,611 students
Total Classroom Teachers
84 teachers
Year Founded
1967
Colors
White, Navy Blue, Columbia blue
School Calendar
School Rankings
Interlake Senior 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 Interlake Senior 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
#56 out of 2088 schools
(Top 5%)
(Top 5%)
Math Test Scores (% Proficient)
74%
41%
Reading/Language Arts Test Scores (% Proficient)
89%
53%
Science Test Scores (% Proficient)
86%
49%
Student-Teacher Ratio
19:1
17:1
American Indian
n/a
1%
Asian
50%
9%
Hispanic
17%
27%
Black
4%
5%
White
22%
47%
Hawaiian
n/a
2%
Two or more races
7%
9%
All Ethnic Groups
Graduation Rate
91%
84%
Eligible for Free Lunch
20%
39%
Eligible for Reduced Lunch
7%
9%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Notes
- School Mascot: St. Bernard
Frequently Asked Questions
What is Interlake Senior High School's ranking?
Interlake Senior High School is ranked #56 out of 2,088 schools, which ranks it among the top 5% of public schools in Washington.
What schools are Interlake Senior High School often compared to?
Interlake Senior High Schoolis often viewed alongside schools like Newport Senior High School, Bellevue High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
74% of students have achieved math proficiency (compared to the 41% WA state average), while 89% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Interlake Senior High School?
The graduation rate of Interlake Senior High School is 91%, which is higher than the Washington state average of 84%.
How many students attend Interlake Senior High School?
1,611 students attend Interlake Senior High School.
What is the racial composition of the student body?
50% of Interlake Senior High School students are Asian, 22% of students are White, 17% of students are Hispanic, 7% of students are Two or more races, and 4% of students are Black.
What is the student-teacher ratio of Interlake Senior High School?
Interlake Senior High School has a student ration of 19:1, which is higher than the Washington state average of 17:1.
What grades does Interlake Senior High School offer ?
Interlake Senior High School offers enrollment in grades 9-12 (No virtual instruction).
What school district is Interlake Senior High School part of?
Interlake Senior High School is part of Bellevue School District.
In what neighborhood is Interlake Senior High School located?
Interlake Senior High School is located in the Northeast Bellevue neighborhood of Bellevue, WA. There are 3 other public schools located in Northeast Bellevue.
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