If you are caught using your phone or any testing aid during the knowledge test, your test will be marked as a failure, and DMV may act or postpone your possibility of earning a driving privilege. Turn off your phone, and don’t try to take pictures of exam questions with your phone! This includes, but is not limited to, the California Driver Handbook, cheat sheets, or electronic communication devices such as cell phones, hand-held computers, etc. All use of testing aids is strictly prohibited. Open-book exams allow you to take notes, texts, or resource materials into an exam situation, but the California knowledge test is not an open-book exam.

Is the California DMV Test an Open-Book Test? Surveys, however, show that those test takers who studied the handbook, took at least 20 practice tests or more, and used more than a week had a pass rate of 92 percent.Ĭompared to other states, grade the difficulty of the California Class C DL examination as moderate. Approximately one in three test takers fail the exam. The failure rate on the California knowledge test is close to 40 percent. The passing score in California is 83 percent, which is higher than in many other states. For applicants 18 years and older, the test has 36 questions.Īnyone who must take a California renewal test will get 18 questions. If you are under 18 years when you apply for an instruction permit, you will get a knowledge test with 46 questions. Key numbers for the official CA written knowledge test: Number of Questions:

California permit practice test