Chief Sealth International High School is a IB CP / IB Diploma school in Seattle, United States.
Location & Getting There
NanaSays Scorecard
Boarding Available
Key Details
Curricula Offered
IB CPYes
IB DiplomaYes
Accreditations
IB World School
Languages of Instruction
English
Key facts
About
Chief Sealth International High School is a state-run coeducational day school in Seattle, Washington authorized by the International Baccalaureate since April 2007. The school offers both the IB Diploma Programme and the IB Career-related Programme with English as the language of instruction. Students have access to a diverse range of subjects including mathematics, sciences, languages, and humanities.
School data verified by NanaSays. Last updated: April 2026.
School Background
Governance & Ownership
public
Frequently Asked Questions
Contact the admissions office at Chief Sealth International High School directly for current fee information.