Heart Lake Secondary School, commonly known as HLSS or Heart Lake, is a public high school in Brampton, Ontario, Canada. It is located at 296 Conestoga Drive, near the corner of Conestoga Drive and Wexford Road.
The school was founded in 1988 and is a part of the Peel District School Board. The school has approximately 1150 students enrolled.
Heart Lake has two SHSM programs in Arts & Culture and Information & Communication technology, as well as both extra curricular band, drama and athletics programs.
The school has a strong relationship with its many feeder schools, including Robert H. Lagerquist Senior Public School, Alloa Public School and Cheyne Public School, working together for annual events and other activities throughout the year.
Heart Lake Secondary School is among the more popular high schools in Brampton.