Claremont Secondary School (CSS) is a public secondary school in Saanich, a municipality of Greater Victoria, British Columbia, Canada. It is operated by School District 63 Saanich. CSS is one of three secondary schools in the school district and the one serving the southern end of the Saanich Peninsula. It is fed from Royal Oak Middle School and is an active participant in the Saanich International Student Program (SISP), with over 100 international students from nine countries enrolled at CSS for the 2013-14 school year.