The population of Edmonton grew quickly, and Strathcona Composite High School outgrew its 1908 building.

[9] Other facilities nearby the school include South Side Sports Arena, which Phys Ed classes use for the skating unit.

[2] Since 2008, Strathcona High School has united annually to turn the motto “as one who serves” into reality.

Strathcona's Schools Productions: Strathcona has also earned multiple Cappies awards including Outstanding musical for Footloose, West Side Story, Les Misérables, Legally Blonde, In the Heights and many other technical, dance, and acting awards.

[27] Student Theater clubs: Dance Ensemble, Technical Theatre Crew, Improv Team, OneActs, Year Play, Cappies The school fields teams in: Scona's athletics programs holds various winning streaks in Edmonton's city championships including:[citation needed] 16 Rhodes Scholars have come from Strathcona.

[28] By completing internationally recognized exams, administered by the College Board, many Strathcona students earn credit that can be applied to first year University courses.

[32] Two of the educators who served as principal of Strathcona High School were influential community leaders in Edmonton.