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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

Karin Jones

Information about ILC student return to classroom and safety plan

Students throwing caps in the air at graduation

Here are the anticipated June 2021 graduation dates. Please be mindful that these are the dates currently scheduled for in-person graduations. If this is not possible, dates and times may need to be adjusted.

icon raising hand

What is your ideal version of an online school? Come shape the vision of the Highline Virtual Academy. 

We are hosting three opportunities for students and staff to join focus groups.

teacher and student

Highline Public Schools plans to adopt new materials for language arts--and we want your input! Your voice is important as we select new Language Arts instructional materials for kindergarten through 12th grade. 

National Family Involvement Day

Highline Public Schools is proud to celebrate National Family Involvement Day on November 19. On this day we honor the powerful contributions made by families to support student success.

icon with computer and globes

Read the Family Update for November 17. See interactive meals delivery map, remember to pre-order meals, share your opinion in our meal survey, plus learn what to expect with grading & report cards.

Two Raisbeck Aviation High School students work together during class.

Interested in attending Raisbeck Aviation High School next year? Raisbeck Aviation is one of Highline’s schools of choice. Staff and students are hosting two information nights for you to learn if Raisbeck Aviation is right for you. The first info night is tomorrow. 

Student measuring water

This February we will host ReadyK!, a transitional kindergarten program for children who have not had access to a high-quality early learning experience.

Our Vision

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

Explore our Vision