Chinook Middle School
Public
Middle Grades 6–8
Part of Highline School District
18650 42nd Ave S, SeaTac, WA 98188 · (206) 631-5700
Community ratings
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Academic performanceComing soon
State test scores coming soon
Proficiency and other measures from the WA Department of Education report card, shown against the state average.
At a glance
620Students enrolled
17:1Student–teacher ratio
73%Free / reduced lunch
SuburbSetting
Regular SchoolSchool type
Enrollment by grade
Grade 6205
Grade 7210
Grade 8205
Students
Hispanic · 40%248
Black · 19%120
Asian · 16%97
White · 11%70
Native Hawaiian/Pacific Islander · 8%47
Two or more races · 6%38
Counts as reported to NCES; percentages are of students with a reported race/ethnicity.
Enrollment · last 5 years
712’20
608’21
599’22
603’23
620’24
Location
18650 42nd Ave S SeaTac
Neighbor reviews
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School facts from the U.S. Department of Education (NCES), 2024-2025 school year. Community ratings and reviews reflect neighbor opinions, not an official measure of school quality.