CDL School Bus Endorsement Practice Test: mock exam 2026
A new random set every time, with the same number of questions, pass mark and time limit as the real test. You see your answers at the end.
- 20 questions
- Pass mark: Varies by state; usually 20 questions, with 16 correct needed (80%)
- No time limit
How this mock exam works
Each attempt draws 20 questions at random from all 60 questions for this test, so no two attempts are the same.
At the end you see your score, every answer and its explanation. Your best score is saved in this browser, so you can try again until you pass comfortably.