Thousand Islands Secondary School

Thousand Islands Secondary School (TISS) is a public high school in the city of Brockville, Ontario and one of the most populous high school managed by the Upper Canada District School Board. Built in 1965, the school has been a part of the Brockville community for over 50 years

TISS has an enrollment of approximately 1500 students and offers a wide range of programs. The school offers a full complement of academic, technical and arts courses in addition to skilled trades programs and many Specialist High Skills Major (SHSM) programs. The school also has many other unique programs such as Integrated Math/Science and Technology (MST), an online education program, co-operative education and the International Studies Program which allows students each year to travel to locations such as Nicaragua, Germany, Greece, and Italy.