Chief Sealth International High SchoolSchool Calendar
2025-26 Academic Calendar
Key dates, holidays, and events for Chief Sealth International High School.
School at a Glance
Upcoming events & academic holidays2025-26 Academic Year
MAR
28
Chief Sealth PTSA Auction
APR
7
End of Quarter 3
APR
13
No School
No School Spring Break
MAY
25
No School
No School Memorial Day
JUN
17
Last Day of School
JUN
19
Juneteenth
Partner TipEarly dismissal days and parent-teacher conferences are often updated 2 weeks in advance. Check back regularly to stay ahead of the schedule!