Chief Sealth International High School : School Information
School Hours: 8:50 a.m. – 3:40 p.m.
Wednesdays: 8:50 a.m. – 2:25 p.m.
View Bell Schedule
Attendance: 206-252-8554
chiefsealthhs.attendance@seattleschools.org
Main Office Hours: Monday - Friday 8:30 a.m. to 2:30 p.m.
Office Phone: 206-252-8550
Fax: 206-252-8551
Calendar
17
Jun
17
Jun
2026 Graduation Ceremony
June 17 @ 5:00 pm
19
Jun
Juneteenth
June 19
02
Sep
First Day of School 1-12 Grade
September 2
