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California CDL: School Bus Practice Test

20 school bus questions for the California CDL Knowledge Test, out of 114 in the app. Answer each to see whether you got it right and why. The real California School Bus test has 20 questions and you need 16 correct (80%) to pass.

How it works

  1. 1Pick an answer20 questions, one tap each.
  2. 2See the ruleRight or wrong, every answer is explained.
  3. 3Get your scoreCompared with the real 80% pass mark.
Start the test
0/20 answered0 correctPass mark 80%
  1. 1Question 1 of 20

    What color are all school buses painted?

  2. 2Question 2 of 20

    Which of the following statements about antilock braking systems (ABS) are true?

  3. 3Question 3 of 20

    In case of an emergency, if your bus is equipped with a CB radio,

  4. 4Question 4 of 20

    Immediately after stopping, you should first

  5. 5Question 5 of 20

    An active railroad crossing is

  6. 6Question 6 of 20

    According to the California Commercial Driver Handbook, before you stop at a school bus stop, you should activate your alternating flashing amber warning lights at least __________ in advance.

  7. 7Question 7 of 20

    When is operating a school bus most dangerous?

  8. 8Question 8 of 20

    If your school bus's antilock braking system (ABS) fails,

  9. 9Question 9 of 20

    You should adjust the outside left and right side convex mirrors to see

  10. 10Question 10 of 20

    Before leaving, make sure the students are in plain view

  11. 11Question 11 of 20

    What is the "golden rule" for school buses when approaching and crossing railroad tracks?

  12. 12Question 12 of 20

    When you inspect the battery and battery box during your pre-trip vehicle inspection test, make sure that

  13. 13Question 13 of 20

    How should you deal with unruly students on your school bus?

  14. 14Question 14 of 20

    The overhead inside rear-view mirror is used to

  15. 15Question 15 of 20

    You should adjust the left and right side crossover mirrors so you can see

  16. 16Question 16 of 20

    When unloading students at a school, you should

  17. 17Question 17 of 20

    Which of the following strategies can help prevent your school bus from being hijacked?

  18. 18Question 18 of 20

    If the bus is on fire, you must

  19. 19Question 19 of 20

    In an emergency, you should consider NOT evacuating students from your school bus

  20. 20Question 20 of 20

    You're about to unload students at a bus stop. Tell them that once they've exited the bus, they should

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Questions people ask

Is this California CDL: School Bus Practice Test like the real California CDL Knowledge Test?

The questions are written in the same style as the real test, from official sources, with an explanation for each answer. The real test has 20 questions; this free test has 20.

How many questions are on the California CDL Knowledge Test?

The General Knowledge test has 20 questions. Each class and endorsement adds its own test.

What score do you need to pass the California CDL Knowledge Test?

You need 16 out of 20 correct (80%).

How old do you have to be to take the California CDL Knowledge Test?

You can take it from age 18.

Where can I practice more questions?

The Driving Exam Prep app has the full question bank for your test, a step-by-step roadmap, a mistakes review and a readiness score against the real pass mark.

Official sources

Our questions are written from these official sources. Always study your official handbook too: rules change, and our practice questions may differ from your real test.

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