| Centre Dufferin District High School | |
| Address: | 150 Fourth Avenue |
| City: | Shelburne |
| Province: | Ontario |
| Postcode: | L9V 3R5 |
| Country: | Canada |
| Coordinates: | 44.0822°N -80.2083°W |
| Schooltype: | High school |
| Fundingtype: | Public |
| Motto: | Partners learning together, creating successful tomorrows |
| Schoolboard: | Upper Grand District School Board |
| Principal: | Damon Ealey[1] |
| Grades Label: | Grades |
| Grades: | 9–12 |
| Enrollment: | 815[2] |
| Enrollment As Of: | 2019/2020 |
| Language: | English French |
| Colours: | Purple and Gold |
| Team Name: | Royals |
| Free Label1: | Classification |
| Free Text1: | AAA |
Built 1954,[3] 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.
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.[4]