L.A. Matheson Secondary School is a public secondary school in Surrey, British Columbia, Canada, and is part of School District 36 Surrey. The school opened in 1969 as a junior secondary school as a feeder to High School but in 1998 became a full secondary school serving grades 8 through 12. In the 2013/14 school year, it was ranked 1st out of 701234th in the annual ranking of secondary schools in British Columbia and Yukon.