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The school bus endorsement applies to applicants who wish to drive a school bus in any Class A or B CDL. To add an S endorsement to your CLP/CDL, you must pass the Oklahoma school bus test, and you must also pass skills tests in a school bus. The OK CDL bus test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The knowledge test covers the following sections of the Oklahoma CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this OK CDL practice test to prepare for the actual bus test!
1. If your ABS fails:
you will still have normal brake functions.
your tires might grab unexpectedly and you could lose control.
the first step is to get the vehicle off the road and stop.
2. As a general rule, during an emergency students should be kept:
off the bus, and at least 15 feet away from traffic.
on the bus.
off the bus on the side of the road.
3. To make the brakes work, air brakes use:
hydraulic air.
compressed air.
4. If there is a serious behavior problem on the bus, you should:
pull the bus over and put the student off the bus.
stop the bus in a safe location off the road, secure the bus and remind the offender of the expected behavior.
ask the student to move to the back of the bus and be respectful of others.
5. If your vehicle is hydroplaning, you should:
put the vehicle in reverse.
stay off the brake.
speed up.
6. Before driving your bus, to be sure it's safe you should:
ask the shipper for the Safety Confirmation report.
review the inspection report made by the previous driver.
review the bus safety guidelines.
7. Select the best answer. Before operating the school bus, you should always:
check the left mirror.
check the right mirror.
check each mirror.
8. You should position the overhead inside rearview mirror to see:
all of the students on the bus.
the students in the first three rows.
the heads of the students right behind you.
9. The driver MUST evacuate the bus when:
there is a threat of a fire.
the position of the bus may change and increase the danger.
All of the above.
10. Crossover mirrors are used to:
see the "danger zone" areas in front of the bus and to the left and right side of the bus.
monitor the left and right sides of the bus at a wide angle.
monitor passenger activity inside the bus.
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OK School Bus CDL Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
Number of questions: 20
Correct answers to pass:16
Passing score:80%
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