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Chinook Middle School
18650 42nd Avenue South SeaTac, WA 98188

Office Hours:

Monday-Friday: 7:30 a.m. - 3:30 p.m.

Chinook Middle School
18650 42nd Avenue South SeaTac, WA 98188

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Welcome to Chinook Middle School

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Upcoming Events

Latest News

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Last fall, Chinook Middle School and Tyee High School announced new mascots the Chinook Dragons (formerly the Thunderbirds) and the Tyee Titans (formerly the Tyee Totems). This spring, school committees of students and staff worked on bringing these mascots to life. Click through to see what they look like. 

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Last fall, our school community came together to choose a new mascot: the Chinook Dragons. Since then a committee of students and staff has been working on visualizing what the Chinook Dragon represents and looks like.

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All schools have been directed to keep their front doors locked during the school day, starting Tuesday, May 31.

Our Vision

Together we create and sustain a culture of achievement where all students excel!

Explore our Vision