The school serves the northeast population of Bellingham, including the area surrounding Lake Whatcom.

Squalicum opened in September, 1998 as part of a project titled "High Schools of the Future.

[3] Squalicum High School's mission statement is to promote the intellectual, physical, social and emotional development of its students which, in turn, will allow them to be successful in a diverse and changing world.

In 2009, the boys' varsity basketball team took first place overall in the 2A section and repeated as state champions again in 2010.

AVID, Bridge Building, Culinary, Debate, Drama, FBLA, Honor Society, Prevention, Rotary Interact Band, Choir, Orchestra, Drama Rotary Interact, Key, Mentors 360 Breakers, Cheerleading, Chamber Orchestra (formerly a class, currently a club), Guitar, Hiking, Mariachi (Discontinued), Mecha, United Diversity, Zodiac[6]