welcome to mackenzie

our mission

The Mission of William Lyon Mackenzie Collegiate Institute is to provide, in collaboration with staff, students, parents and community, challenging programs and a high standard of excellence that meet the needs of all students.

Our motto is “Sua Praemia Laudi”, meaning “Merit has its own reward”. This signifies the inherit benefit of fulfilling one’s responsibilities well. The motto reflects Mackenzie’s emphasis on striving for excellence.


This website is intended to provide all necessary information for the transition from Grade 8 to Grade 9.

TSDB Information

  • Includes relevant links to all TDSB resources for the transition to high school.

Mackenzie Information

  • Includes relevant information for registration at Mackenzie (including information from our Open House, deadlines, forms, etc.)

Virtual Tour of the School

  • Take a virtual tour of the school and learn about our exciting programming from Mackenzie's teachers and students

Course Selection

  • Review information about Grade 9 Elective courses and other course offerings from Grades 10 to 12

Life at Mackenzie

  • Learn more about extracurriculars (sports, clubs, etc.) at Mackenzie