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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.

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Welcome to Chinook Middle School

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Check out the 2018-19 school calendar. 

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Young students in class at Seahurst Elementary

We want students to succeed in kindergarten on day one. We offer programs and materials for incoming students and their families to prepare. Register your incoming kindergartener early—as close to January 22 as possible—to have access to free kindergarten readiness programs and materials.

Dr. Enfield visits Bow Lake Elementary School.

Superintendent Susan Enfield is being recognized for engaging the community and partnering with the Highline Schools Foundation to raise financial resources for schools and students. She will receive the 2019 Superintendent of the Year award from the National School Foundation Association. 

Caricature of Chinook student Bryan Angeles Molina holding paper that says Strategic Plan.

As we begin 2019, we renew our deep commitment to our strategic plan, which challenges us to embrace bold goals for every student. The plan is centered on Our Promise, lays out five goals for students and is supported by our foundation.

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Students have a lot of options when it comes to secondary schools. We encourage students and families to find the best fit. The application window for secondary schools of choice is January 1 - 31, 2019.

Register to Vote by Jan. 14

To make your voice heard in next month's election, be sure to register to vote by Monday, January 14.

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From time to time during the winter months, the weather may force a change in the normal school schedule. We want you to be prepared and know where to get information

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Students have a lot of options when it comes to secondary schools. We encourage students and families to find the best fit. The application window for secondary schools of choice is January 1 - 31, 2019.

Students working together in class.

Students starting sixth and seventh grade in September 2019 will move up to middle school together because our middle schools will expand to include three years. Families with students in fifth and sixth grade now are invited to learn about middle school and ask questions at family info nights starting in January!

Our Vision

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

Explore our Vision