Lake of Two Mountains High School (LTM; French: École secondaire Lake of Two Mountains) is an Anglophone public high school in Deux-Montagnes, Quebec in the Laurentides region.
It is a part of the Sir Wilfrid Laurier School Board.
The school's service area includes Deux Montagnes, Kanesatake, southern portions of Mirabel, Oka, Pointe-Calumet, Saint-Eustache, Saint-Placide, Ste-Marthe-sur-le-Lac, and St-Joseph-du-Lac.
[1] As of 2014 55 students from Kanesatake choose to attend Lake of Two Mountains.
[2] The current campus was built in 1983, replacing the previous facility.