International School is a school for students in grades 6th–12th in the Bellevue School District. The school follows a seven by seven curriculum wherein students pursue studies in seven core academic areas for seven years of attendance.
Serving 600 students in grades 6-12, International School ranks in the top 1% of all schools in Washington for overall test scores (math proficiency is top 5%, and reading proficiency is top 5%).
The percentage of students achieving proficiency in math is 83% (which is higher than the Washington state average of 41%). The percentage of students achieving proficiency in reading/language arts is 93% (which is higher than the Washington state average of 53%).
The student-teacher ratio of 20:1 is higher than the Washington state level of 17:1.
Minority enrollment is 77% of the student body (majority Asian), which is higher than the Washington state average of 53% (majority Hispanic and Asian).
Quick Facts (2026)
- School Type: Alternative school
- Grades: 6-12
- Enrollment: 600 students
- Student-Teacher Ratio: 20:1
- Minority Enrollment: 77%
- Graduation Rate: ≥95% (Top 5% in WA)
- Overall Testing Rank: Top 1%
- Math Proficiency: 83% (Top 5%)
- Reading Proficiency: 93% (Top 1%)
- Science Proficiency: 90-94% (Top 1%)
- Source: National Center for Education Statistics (NCES), WA Dept. of Education
Top Rankings
International 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
International School's student population of 600 students has stayed relatively flat over five school years.
The teacher population of 30 teachers has stayed relatively flat over five school years.
School Type
Grades Offered
Grades 6-12
(No virtual instruction)
(No virtual instruction)
Total Students
600 students
Total Classroom Teachers
30 teachers
Year Founded
1991
Colors
Green, Silver
School Calendar
School Rankings
International School ranks within the top 1% of all 2,088 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of International School is 0.58, 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
#18 out of 2088 schools
(Top 1%)
(Top 1%)
Math Test Scores (% Proficient)
83%
41%
Reading/Language Arts Test Scores (% Proficient)
93%
53%
Science Test Scores (% Proficient)
90-94%
49%
Student-Teacher Ratio
20:1
17:1
American Indian
n/a
1%
Asian
60%
9%
Hispanic
6%
27%
Black
2%
5%
White
23%
47%
Hawaiian
n/a
2%
Two or more races
9%
9%
All Ethnic Groups
Graduation Rate
≥95%
84%
Eligible for Free Lunch
7%
39%
Eligible for Reduced Lunch
2%
9%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), WA Dept. of Education
School Notes
- School Mascot: Titan
Frequently Asked Questions
What is International School's ranking?
International School is ranked #18 out of 2,088 schools, which ranks it among the top 1% of public schools in Washington.
What schools are International School often compared to?
International Schoolis often viewed alongside schools like Odle Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
83% of students have achieved math proficiency (compared to the 41% WA state average), while 93% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of International School?
The graduation rate of International School is 95%, which is higher than the Washington state average of 84%.
How many students attend International School?
600 students attend International School.
What is the racial composition of the student body?
60% of International School students are Asian, 23% of students are White, 9% of students are Two or more races, 6% of students are Hispanic, and 2% of students are Black.
What is the student-teacher ratio of International School?
International School has a student ration of 20:1, which is higher than the Washington state average of 17:1.
What grades does International School offer ?
International School offers enrollment in grades 6-12 (No virtual instruction).
What school district is International School part of?
International School is part of Bellevue School District.
In what neighborhood is International School located?
International School is located in the Wilburton neighborhood of Bellevue, WA. There are 3 other public schools located in Wilburton.
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