Mandatory Chief Sealth Running Start Orientation
Chief Sealth Auditorium 2600 SW Thistle St, Seattle, WA, United StatesLearn what it takes to be a successful college student and sign the Chief Sealth Running Start Contract.
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Indigenous Peoples’ Day
The second Monday in October is Indigenous Peoples’ Day.
End of 1st Quarter
Quarter 1 September 6 – November 8
Financial Aid Family Night – Spanish, Somali, Vietnamese, Amharic and English
Chief Sealth International High School 2600 SW Thistle St., SeattleSeniors and families -Join us in the library for dinner at 5:30 p.m. followed by hands-on help completing financial aid forms of FAFSA or WASFA!
Doctor for a Day – Explore Pediatrics with UW medical students!
Chief Sealth International High School 2600 SW Thistle St., SeattleInterested in a healthcare career? Students of all grades are welcome to join UW medical students in CSIHS library to explore pediatrics & eat lunch!
End of 2nd Quarter
Quarter 2 November 9 – January 31
End of 1st Semester
Semester 1 September 6 – January 31
End of 3rd Quarter
Quarter 3 February 1 – April 17
Chief Sealth Prom
Seattle Art Museum 1300 First Ave., Seattle, WA, United StatesChief Sealth International High School Prom is on June 3, 2023
Senior Check Out Day
Chief Sealth International High School 2600 SW Thistle St., SeattleSeniors will finalize grades, turn in any school materials, and pay any fines as they prepare for graduation!
Mandatory Graduation Rehearsal
Chief Sealth Auditorium 2600 SW Thistle St, Seattle, WA, United States12th graders must attend this informational meeting to prepare for the graduation ceremony at Memorial Field.
Class of 2023 Graduation
CSIHS Graduation is June 27 at 8:00 PM