In 2010 the District Superintendent designated Chief Sealth as the first "International" high school, which meant that its curriculum would include a multi-cultural education.

With an education-can-make-all-the-difference mantra, Proyecto Saber not only provides homework assistance, but also offers workshops that deal with topics such as racism, leadership, famous Latin Americans, etc.

Chief Sealth students have produced several documentaries, including The Diaries of High Point,[8] which won an Emmy Award.

Students in the Sports Marketing program have researched and documented Negro league baseball player movements in the western United States, focusing on the career of Buck O'Neil.

In 2004, Chief Sealth High School hosted the first Negro Leagues Baseball Museum exhibit on the west coast.

In 2006, Sealth students, Chunda Zeng, Jasdeep Saran, and Yuto Fukushige, rode bicycles from Seattle to Kansas City, Missouri to raise funds for the museum's Buck O'Neil Education & Research Center.

Nicknamed "Vanilla Thunder", Boyd was the leading scorer (16.1 points per game) on Chief Sealth's 1982 boys' basketball team (24 and 2, 4th in Washington State).

Architects Naramore, Bain, Brady & Johnson designed the new factory-model school with "thin-shell" barrel vaulted roofs.

[citation needed] The complex, the second largest in the Seattle Public Schools, includes Chief Sealth Stadium.

[22] In 2006, the school's girls' basketball team was stripped of their 2004 and 2005 state championship titles, and barred from playing in the 2007 tournament after it had been revealed coaches participated in illegal recruiting.

[23] Six Sealth Ladyhawks players had been enticed to transfer to the school with promises of starting positions and college scholarships.