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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

We want to acknowledge and express our outrage around the deep and harmful discrimination, violence, and injustice happening in our country and communities. We want you to know the Chinook Staff stand with our Black community, communities of color, and other marginalized communities demanding to be treated with the full liberty the Constitution declares and the dignity that is innate in all of humanity. You are all important and valued and we truly miss being with you right now.

Upcoming Events

Latest News

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Based on public health recommendations, we intend to continue phasing in students to in-person learning on March 1. We are asking families with students in PreK-5 or our IAC program (K-12) to commit to hybrid or fully remote instruction by January 29. To do so, please fill out the commitment form below for each of your students in PreK-5 or our IAC program (K-12). If your student is in an IAC program in K-5th grade, please fill out the elementary form.

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There is only one more week to apply to our secondary schools of choice. The application will close at 11:00 p.m. on January 31. 

Students have a lot of options when it comes to middle and high school--either their neighborhood school or a school of choice. Secondary schools of choice include Big Picture, CHOICE Academy, Raisbeck Aviation High School, the new Maritime High School and the Highline Virtual Academy as well as the International Baccalaureate (IB) program at Mount Rainier High School. 

student at home on computer

Highline Virtual Academy is launching this fall for students in 6th through 12th grade. Students who thrive in independent and online learning will benefit from attending the Highline Virtual Academy. Flexibility and self-pace are two important components of the academy’s learning model. 

Student in School

Many of you have asked questions about our hybrid plan. Please see our FAQ page for a complete list. Here are a few common questions. 

Middle and High School Athletics Update

We want to share an update on athletics. Unfortunately, all middle school sports are canceled for the remainder of the 2020-21 school year. High school sports will resume. We are following health guidelines to ensure our students and coaches are safe. 

Susan Enfield "A Message from Superintendent Susan Enfield"

This week we announced our plans to bring elementary and more students with special needs back into school buildings, beginning March 1. Why now and why March 1? Superintendent Susan Enfield answers that question. 

Our Vision

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

Explore our Vision