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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

Student in class
Students in class
Student in class

Upcoming Events

Latest News

8th Grade Experience

The 8th Grade Experience is an early college awareness exploration event hosted in partnership with the University of Washington Seattle on December 13 and 14.

Students at Big Picture.

Highline also offers Schools of Choice, a variety of school and program options, each with a specialized focus to meet student interest and need. The application window for secondary schools of choice is open now and runs through January 31. See information night details.

Three Evergreen HS students holding signs that say "Thank you, voters!" in English, Spanish and Vietnamese.

The 2022 bond is passing at an overwhelming 68.8 percent approval rate. Take a moment to savor this historic milestone by watching our "Thank You, Voters!" video featuring students saying "Thank you, Voters!" in three languages.

School Board President Aaron Garcia at White Center ballot drop box

It’s the final countdown to Election Day on November 8. Please join the effort to ensure Highline voters return their ballots and get informed about candidates and ballot measures. One more virtual bond community meeting + links to lots of voting information....

Raisbeck students and teacher in the classroom.

In addition to comprehensive neighborhood schools which offer challenging coursework with electives to enhance students’ learning experience, Highline also offers Choice Schools, a variety of alternative program options for middle and high school students, each with their own specialized focus to meet student interest and need. There is also a virtual school for elementary students.

Our Vision

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

Explore our Vision