Chief Sealth PTSA welcomes you. We're looking forward to a great year of involvement with our wonderful CSIHS community. Our primary goals are to build community and raise funds to support the many programs and activities that provide enrichment as well as basic needs to students and staff. Please join us - all are encouraged and welcome to participate in PTSA!

Upcoming Meetings:

First PTSA General Meeting of the year!

Please join us, Tuesday, September 15th at 7:00pm in the Confucius Center (follow the signs) for our first Chief Sealth PTSA General Meeting of the … [Read More...]


Rally to support Teachers! Sept. 2nd 4 – 6:30pm

Rally for Teachers: Sept. 2nd from 4-6:30 Chief Sealth International High School. Wear Red for … [Read More...]

Unofficial Supply List

Unofficial Supply List: High school is tricky for supply lists as most teachers have different items … [Read More...]