Maritime High School
615 S 200th St Des Moines, WA 98198

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About Us

About Maritime High School

Maritime High School is a new, small high school opening in September 2021 with its first 9th-grade class. Maritime is a collaborative project of Highline Public Schools, Northwest Maritime CenterPort of Seattle, and the Duwamish River Cleanup Coalition, with many community and industry partners engaged to support our students.


Maritime High School
615 S 200th St
Des Moines, WA 98198

Principal
Tremain Holloway

Office Manager
Heather Seely 

Summer Office Hours

July - Monday - Thursday
8:30 a.m. - 12:30 p.m. (in building) and 1:00 p.m. -  4:00 p.m. (remote or by appointment)

August - Monday - Friday
7:00 a.m. - 3:30 p.m.

Fall School Hours 

Monday - Thursday
8:30 a.m. - 3:00 p.m.    

Early Release Friday
8:30 a.m. - 1:00 p.m.