Built 1954, Centre Dufferin District High School is the public high school for Shelburne, Ontario. It has a student population of approximately 850 and serves the towns and townships of Grand Valley, Amaranth, Melancthon, Mulmur, and Mono. It is part of the Upper Grand District School Board.

Extra Curriculars and Athletics

Athletic teams, known as the Royals, include badminton, basketball, cross country running, curling, field hockey, football, rugby, golf, ice hockey, soccer, track and field, volleyball, nordic skiing and Centre Dufferin plays in the Central Western Ontario Secondary Schools Association (CWOSSA) in Districts 4 & 10. Student groups include Athletic Council, Black Chapter, Breakfast Club, Gender Sexuality Alliance, Jack Chapter, Student Council, and Yearbook Committee, which strive to achieve their own respective goals within the school community and regularly plan and host events within it.