Bill Crothers Secondary School
Bill Crothers Secondary School is an athletic based High school in the community of Unionville in Markham, Ontario, Canada. It was the newest secondary school in the York Region District School Board for a number of years, since 2008. Named for the former Olympic athlete and Chair of the York Region District School Board, Bill Crothers, the school opened its doors to Grade 9 and 10 students in August 2008. The school is and cost an estimated $32 million to build. The school was formerly an 18-hole golf course, Unionville Golf Centre, opened in 1961.- Bianca Andreescu, tennis player, winner of 2019 US Open – Women's Singles
- Trae Bell-Haynes, basketball player
- Joseph Blandisi, hockey player
- Anthony Cirelli, hockey player
- Travis Dermott, hockey player
- Steven Furlano, soccer player
- Devon Kerr, soccer player for Washington Spirit
- Mariah Madigan, retired trampoline gymnast
- Roman Sadovsky, figure skater
- Alain Sargeant, soccer player
- Jonathan Ang, hockey player
- Morgan Frost, hockey player
- Ryan Kangas, snowboarder
- Stephen Maar, volleyball
- Nicholas Matveev, sprint kayaker Team Canada