Calendar and News
School Calendar
03
Sep
10
Oct
11
Nov
Veterans Day, No School (25-26 School Year)
November 11
27
Nov
Thanksgiving, No School (25-26 School Year)
November 27 – November 28
School News
To start the year ready to learn, CSIHS asks that students come to school with the following supplies that will be used for daily classwork…

Chief Sealth’s Car Club partnered with local auto business, Eazy Duz It, to create this day of celebration of automobiles and our Sealth community.

What are you doing this summer? Want to stay busy, gain skills, make some money or future your career? Come to the Summer Jobs & Trades Fair!…
District News

2025-26 School Year Calendar
View the school calendar dates for the 2025-26 school year.
Last Day of School Dismissal
On this day, students will be dismissed 60 minutes early based on your school’s Mon, Tue, Thu, Fri schedule — NOT the usual Wednesday early dismissal…