The bulletin board for America's public schools. Parents, teachers, students, and staff. One community per school.
SCHOOL COMMUNITY·VASHON ISLAND SCHOOL DISTRICT·NCES 530930001591

Vashon Island High School

9600 SW 204TH ST, VASHON, WA 98070 · (206) 463-9171 · King County
GRADES 09–12HIGH41-RURALREGULAR SCHOOL511 STUDENTS
A+
allk12 Grade
Scored higher than 99% of Washington public high schools
  • A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
  • A+Beats expectations How far test scores land above or below what the share of low-income students predicts for a school in this state.
  • A-Three-year trend Change in reading and math proficiency over the last three test years.

Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Washington public high schools

Enrollment
511
High
DISTRICT 281 · STATE 573
Student : Teacher
21.9:1
23 FTE teachers
DISTRICT 24.8:1 · STATE 21.6:1
Free / Reduced Lunch
26%
132 students
DISTRICT 33% · STATE 51%
Community
1
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 913426%
Grade 1012925%
Grade 1110821%
Grade 1214027%
Student demographics
38%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 44% · STATE 68% · US 70%
White
39577%
DISTRICT 73% · STATE 47% · US 43%
Hispanic
6713%
DISTRICT 15% · STATE 27% · US 30%
Black
10%
DISTRICT 1% · STATE 5% · US 15%
Asian
102%
DISTRICT 2% · STATE 9% · US 6%
Two+
377%
DISTRICT 9% · STATE 9% · US 5%
Native American
10%
DISTRICT 0% · STATE 1% · US 1%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
27454%
Female
23746%

Discussions

+ POST

Test scores

Smarter Balanced + WCAS 2024-25 . % Met or Exceeded Standard
English Language Arts
84.3%
WA avg 58.4% . +25.8pp since 2014
Math
62.0%
WA avg 51.2% . +22.8pp since 2014

What this means: On the Smarter Balanced + WCAS, Washington's statewide test, about 84 of every 100 students at this school read and write at grade level and about 62 of 100 do math at grade level. Across all Washington schools, those numbers are about 58 and 51. Reading and writing scores are up about 26 points since 2014, while math scores are up about 23 points.

Smarter Balanced + WCAS results by year

School yearEnglish Language ArtsMath
2024-2584.3%62.0%
2023-2492.8%72.1%
2022-2382.1%56.9%
2021-2282.5%57.1%
2018-1982.4%61.6%
2017-1887.7%68.5%
2016-17N/A47.5%
2015-16N/A45.3%
2014-1558.5%39.2%
% Met or Exceeded Standard, all students and all tested grades.
Source: Smarter Balanced + WCAS. All students, all grades. See all years and grades →

BeatsExpectations

Demographically-adjusted score · methodology
Tier
AS EXPECTED
Performing as predicted given the school's student profile
Actual proficiency
73.7%
composite math + reading, all grades
Predicted
62.9%
based on WA schools with similar FRL share
Beats by
+10.8pp
above demographic expectation

What this means: About 74% of students here test proficient in math and reading, compared with the roughly 63% typical for Washington schools with a similar share of low-income students. BeatsExpectations measures results against demographically similar schools rather than by raw scores, and this school falls within the typical range, neither among Washington's top nor bottom 10%.

BeatsExpectations runs a per-state regression of proficiency on free/reduced-lunch share, then scores each school by residual. How this is calculated →

Schools most like Vashon Island High School

Vashon Island High School's state test result (73.7% proficient) is higher than 3 of the 3 schools below with a result.

SchoolStudentsLow-incomeProficient
Vashon Island High School this school51125.8%73.7%
La Center High School
La Center
55527.6%N/A
Hockinson High School
BRUSH PRAIRIE
66923.0%N/A
Anacortes High School
Anacortes
76625.2%71.4%
Lakeside High School
Nine Mile Falls
49430.2%55.8%
Adna Middle/High School
Chehalis
36924.9%36.1%
Matched among Washington high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Vashon Island High School ranks

Among high schools
MeasureThis schoolIn WashingtonIn King County
State test proficiency
ranked highest first
73.7%#7 of 271#5 of 59
Math proficiency
ranked highest first
62.0%#13 of 321
▼ 9
#11 of 59
▼ 8
Reading proficiency
ranked highest first
84.3%#13 of 327
▼ 12
#9 of 61
▼ 8
3-year test score change
ranked biggest gain first
+3.3pp#66 of 259#11 of 57
Enrollment
ranked largest first
511#214 of 570#56 of 97
Students per teacher
ranked fewest first
21.9:1#216 of 311#48 of 67
Diversity index
ranked most diverse first
38.0%#262 of 316#67 of 67
Free and reduced lunch
ranked highest share first
25.8%#340 of 386#49 of 76
Enrollment change since 2017-18
ranked steepest decline first
-6.4%#101 of 164#22 of 34
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
511
-8 (-2%) vs 2020
+17% since 1990-91, when it was 437
Student : Teacher
21.9:1
was 20.0:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-2551123.421.9:126% (132)
2023-2451324.521.0:128% (144)
2022-2350924.121.1:124% (121)
2020-215192620.0:118% (96)
2017-1854626.520.6:119% (102)
2015-165962722.1:118% (110)
2010-115222620.1:116% (83)
2000-015342719.8:1N/A
1990-914372219.9:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Vashon Island High School.

Since 2017-18: students down 6% (546 to 511); teachers down 12% (26.5 to 23.4).

About Vashon Island High School

Vashon Island High School is one of the public schools in VASHON, Washington. It is a mid-sized high school. Students in grades 9 through 12 make up the school's enrollment of 511 students.

Vashon Island High School is in Vashon Island School District, a district with 1,468 students across 5 schools.

More than half of the students at Vashon Island High School are White (77%). The remaining shares are 13% Hispanic and 7% multiracial. Census estimates put the White share of King County's population at about 55%. On the diversity index, which measures the chance that two random students are from different groups, Vashon Island High School scores 38%.

There are about 21.9 students for every full-time-equivalent teacher at Vashon Island High School, which has 23.4. The average for high schools in Washington is about 21.6:1. Eligibility for free or reduced-price lunch stands at 26%. The rate at public schools in King County averages 38%, higher than here.

On the allk12 Grade, Vashon Island High School lands at A+, ahead of 99% of Washington public high schools.

Test results at Vashon Island High School are 10.8 points above what its free or reduced-price lunch share predicts (73.7% actual, 62.9% predicted).

In King County, home to about 2,287,171 people, the median household earns about $124,746 a year, a bachelor's degree or higher is held by about 57% of adults, and the poverty rate is about 5%. Vashon Island High School shares King County with 543 other public schools.

The closest school to Vashon Island High School is Student Link, located less than a tenth of a mile away. In all, 4 other public schools sit within five miles of Vashon Island High School. Of 7 schools in the immediate area with test results, Vashon Island High School ranks 1st on average proficiency.

Federal data place Vashon Island High School in the Rural: Fringe locale, which means it is in rural territory close to an urban area.

Enrollment in 2024-25 was 511, close to the 519 recorded in 2020-21. The ratio was 20.0:1 in 2020-21 and 21.9:1 in 2024-25.

Parents, students, and staff can share information on pickup and drop-off, after-school programs, and teacher feedback here. Parents, students, alumni, and staff are welcome to post.

King County at a glance

View full county profile
Population
2,287,171
Census ACS
Median income
$124,746
Household, ACS
Bachelor's+
57%
Adults 25+
Poverty rate
5%
Below federal line
Schools in county
544
278,492 students

Quick facts

School name
Vashon Island High School
District
Vashon Island School District
Address
9600 SW 204TH ST, VASHON, WA 98070
Phone
(206) 463-9171
County
King County
Level
High
Grade range
09–12
Total enrollment
511
Teachers (FTE)
23
Student–teacher ratio
21.9:1
Free and reduced lunch
132 (26%)
Locale
41-Rural: Fringe
NCES ID
530930001591
Charter school
No
Virtual school
No

Related schools

Other schools in Vashon Island School District
Other schools in VASHON
Nearby schools

Frequently asked questions

About Vashon Island High School
How many students attend Vashon Island High School?
Vashon Island High School enrolls approximately 511 students in grades 09-12.
What age range does Vashon Island High School serve?
Vashon Island High School serves students from grade 09 through grade 12.
What is the student-teacher ratio at Vashon Island High School?
The student-to-teacher ratio at Vashon Island High School is approximately 21.9:1 (23 FTE teachers).
What is the student diversity at Vashon Island High School?
Student demographics at Vashon Island High School are roughly 77% White, 13% Hispanic, 0% Black, 2% Asian, 7% Two or more.
Is Vashon Island High School public or private?
Vashon Island High School is a public K-12 school, overseen by Vashon Island School District.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
+ Post