FREE CA CDL School Bus Marathon

CA commercial driver's license
California Commercial Driver's License.

Get ready for your CA School Bus endorsement exam with this marathon practice test. Unlike our regular practice tests, it’ll cycle through all of the available questions until you have answered all of them correctly. If you miss a question, we’ll show it to you again at a later point.

Available with a CDL Premium account

Pass the knowledge test, or get your money back. Guaranteed.

  • 32 Members-Only practice tests across all endorsements
  • 400+ additional questions (including the ones most people miss!)
  • 6 Exclusive Cheat Sheets (including the DMV's 171 most frequently asked questions)
  • Study and track your progress on any device, anywhere

PLUS: No ads, unlimited re-takes, our Pass Guarantee, and more!

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California CDL School Bus Test Fact Sheet:

How many questions:20
How many correct answers to pass:16
Passing score:80%

CA CDL Handbook

View the most recent (2018) official CA CDL Handbook.

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