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Ontario Class B (Bus) Commercial Licence Practice Test 3

  • Based on 2026 ON commercial driver's licence manual
  • Updated for January 2026
  • Perfect for first-time and renewal commercial applicants, and those adding endorsements
  • Triple-checked for accuracy

You’re at Practice Test 3, designed to strengthen your operational knowledge of Class B buses. We’re covering passenger management, an important part of the real exam, and basic vehicle maintenance—a must-know for any responsible driver. This test contains questions with a pass mark of 80%. Keep in mind, in Ontario, drivers must also complete a government-approved School Bus Driver Improvement Course, and this test helps prepare you for that.

Pass the first time with Premium
ON driver's license
  • Based on 2026 ON commercial driver's licence manual
  • Perfect for first-time and renewal commercial applicants, and those adding endorsements

Reviewed for legal and handbook accuracy

Steven Litvintchouk

M.S. (MIT), Chief Educational Researcher (ACES member)

Test design and learning experience oversight

Andrei Zakhareuski

Co-founder & CEO, 15+ years in driver education

Questions are created and maintained by the Tests.ca content team following our multi-layer editorial process and updated whenever the Ontario government changes its handbook or website information.

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