Serving 513 students in grades 9-12, Vashon Island High School ranks in the top 10% of all schools in Washington for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 55-59% (which is higher than the Washington state average of 40%). The percentage of students achieving proficiency in reading/language arts is 85-89% (which is higher than the Washington state average of 53%).
The student:teacher ratio of 21:1 is higher than the Washington state level of 16:1.
Minority enrollment is 28% of the student body (majority Hispanic), which is lower than the Washington state average of 52% (majority Hispanic).
Quick Stats (2025)
Grades: 9-12
Enrollment: 513 students
Student:Teacher Ratio: 21:1
Minority Enrollment: 28%
Graduation Rate
: ≥95% (Top 5% in WA)
Overall Testing Rank
: Top 10%
Math Proficiency
: 55-59% (Top 20%)
Reading Proficiency
: 85-89% (Top 5%)
Science Proficiency
: 85-89% (Top 5%)
Source: National Center for Education Statistics (NCES), WA Dept. of Education
Vashon Island High School ranks within the top 10% of all 2,113 schools in Washington (based off of combined math and reading proficiency testing data).
The diversity score of Vashon Island High School is 0.45, 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.
Vashon Island High School is ranked #173 out of 2,113 schools, which ranks it among the top 10% of public schools in Washington.
What schools are Vashon Island High School often compared to?
Vashon Island High Schoolis often viewed alongside schools like West Seattle High School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
55-59% of students have achieved math proficiency (compared to the 40% WA state average), while 85-89% of students have achieved reading proficiency (compared to the 53% WA state average).
What is the graduation rate of Vashon Island High School?
The graduation rate of Vashon Island High School is 95%, which is higher than the Washington state average of 84%.
How many students attend Vashon Island High School?
513 students attend Vashon Island High School.
What is the racial composition of the student body?
72% of Vashon Island High School students are White, 14% of students are Hispanic, 11% of students are Two or more races, 2% of students are Asian, and 1% of students are American Indian.
What is the student:teacher ratio of Vashon Island High School?
Vashon Island High School has a student ration of 21:1, which is higher than the Washington state average of 16:1.
What grades does Vashon Island High School offer ?
Vashon Island High School offers enrollment in grades 9-12 (offers virtual instruction).
What school district is Vashon Island High School part of?
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Quick Stats (2025)
Grades: 9-12
Enrollment: 513 students
Student:Teacher Ratio: 21:1
Minority Enrollment: 28%
Graduation Rate
: ≥95% (Top 5%)
Overall Testing Rank
: Top 10%
Math Proficiency
: 55-59% (Top 20%)
Reading Proficiency
: 85-89% (Top 5%)
Science Proficiency
: 85-89% (Top 5%)
Source: National Center for Education Statistics (NCES), WA Dept. of Education
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