This is a list of secondary schools in the Toronto District School Board. The board is Canada's largest school board and governs 110 secondary schools, as well as five adult education schools. The TDSB was created in 1998 following the merger of the Board of Education for the City of York, the East York Board of Education, the North York Board of Education, the Scarborough Board of Education, the Etobicoke Board of Education and the Toronto Board of Education.