Your Progress

  • 0 Incorrect
  • 0 Correct

How to Pass The First Time

  • Practice with the Free tests
  • Unlock 67 Premium tests
  • Review our Premium Cheat Sheets
Pass The first time, guaranteed

or we return 100% of your money

 
 
 
 
 
Advertisement
Ask DMV Genie AI
new
Explore free tests
  • Updated for December 2024
  • Based on 2024 CA commercial driver's license manual

CA CDL School Bus Marathon

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.

  • Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
This test is a Premium member exclusive. You'll get

All 650 exam-like questions specific to California

Interactive learning with AI personal tutor

Unique 360° Virtual Road Simulations

Get your money back if you don’t pass

About this test

11 min to complete
Available in EN and ES
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.

What to expect on the actual CA DMV exam

20

questions

16

correct answers to pass

80%

passing score

Are you in another state?

Your go-to, trusted source

Experience the Driving-Tests difference
Since our foundation in 2010, Driving-Tests.org has led the way in online driver's education, with over a decade of experience. Our dedicated experts, bringing together more than 50 years of collective expertise, have established us as the largest non-governmental organization in the U.S. solely focused on driver education. We go beyond the official manuals, offering unique interactive experiences and support like audio guides and an AI Assistant, to cater to different learning styles and needs.
Helping hundreds of thousands to ace their tests, our resources have earned a 4.7-star rating from over 14,500 reviews. Our goal is to make your path to becoming a confident driver as straightforward and effective as possible.

Try Driving-Tests Premium

Pass the knowledge test the first time, guaranteed.