The Board of School Trustees chose "Seaquam" in the end, which means or 'sunshine' in the Musqueam language.

The school opened on September 6, 1977, with 37 staff members and 633 students in grades 7 to 11.

The Seaquam Secondary Athletics program has won four BC provincial Championships, with the first coming in 2004 by the Junior Girls Volleyball team.

The Football program subsequently won BC Provincial Championships three years in a row from 2006 to 2008.

The Varsity Football Team won the BC AA High School Championship in 2006 and in 2016.