Notre Dame High School (also known as NDHS, Notre Dame H.S., Notre Dame, or simply Dame) is an all-girls Roman Catholic secondary school in Toronto, Ontario, Canada. This school is a member of the Toronto Catholic District School Board (formerly the Metropolitan Separate School Board) serving the Upper Beaches neighbourhood.
The school was founded by the Sisters of the Congregation of Notre Dame in 1941. Notre Dame is one of 30 high schools run by the TCDSB and one of six all-girls schools. The school has an enrolment of 670 students. The school's patron saint is Marguerite Bourgeoys.