Oklahoma CDL Practice Test: Bus - Test 3 2026
Based on
2026 OK CDL Handbook
Instruction: To obtain this endorsement for driving a school bus, applicants must pass a 20-question test. And to pass the test, applicants must score at least 80%. Test questions are from the OK CDL Handbook. The School Bus endorsement can be used with the Class A, B, or C CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Oklahoma DPS locations.
3. Which of the following are buses never to carry?
A
Small-arms ammunition label ORM-D
B
More than 500 lbs. of allowed hazardous materials.
C
Emergency hospital supplies.
D
Water.