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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.

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Six individuals have applied for the school board position vacated by Bernie Dorsey. Dorsey stepped down in June because he is moving out of state. 

The open position represents District 4, which geographically encompasses Marvista, North Hill, Madrona, and Bow Lake elementary schools, Chinook Middle School, and Tyee High School, as well as other educational sites. Applicants must live within the boundaries of District 4. 

The School Board will appoint one of the candidates to the open position at its August 4 meeting. The successful candidate will be sworn in on August 18. 

The public will have the opportunity to meet the applicants at a Meet and Greet on Thursday, July 29 at 5:00-6:30 via Zoom.  

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Here is a look at the 2021-22 school calendar. These dates and breaks are reflected on our website calendar. The calendar will be final after HEA members vote on it in August. At this time, we do not anticipate changes. 

COVID 19 test

As an extra measure of safety, we are offering free COVID-19 tests to Highline students in our summer school programs who have one or more COVID-19 symptoms and/or have been exposed to someone with a positive COVID-19 test. 

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Due to the weather forecast for extreme heat on Monday, all Highline summer school programs and classes are canceled for Monday, June 28. This includes programs at Puget Sound Skills Center. No meals for students will be available at any of our schools or meal pick-up locations on Monday, June 28.

Our Vision

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

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