It is a regional school, serving from as far away as Richmond and Ladner, though most students are from the White Rock, South Surrey area.

Southridge also has a temporary "Annex" building, used for administrative purposes and to house the school's uniform shop.

[1] In the Senior School, Southridge follows the typical British Columbian 8-12 curriculum, including: English, Physics, Chemistry and Biology (taught with British Columbia standards), AP courses in these fields, as well as History, Literature and Calculus.

[2] Southridge was ranked by the Fraser Institute in 2018-2019 as #1 out of 252 British Columbian Secondary Schools.

In 2014 and 2015 respectively, the Senior Boy 'AA' Basketball team won the Fraser Valley Championship.