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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 bus is in the direct path of a tornado and evacuation is ordered, when shelter in a building is not readily available, you should:
stop and have the students stand behind the bus.
escort students to a nearby ditch.
keep driving until you reach the nearest service station.
2. Buses must never carry:
small arms ammunition.
radioactive materials.
hospital supplies.
3. Riders getting on or off the bus:
are likely to be disruptive.
can stumble and should be supervised.
should not be supervised.
4. When confronted by an aggressive driver you should not:
make eye contact.
put aside your pride.
try to get out of their way.
5. Which of the following statements about the special dangers of loading and unloading is true?
You should move the bus prior to confirming that all students have exited the bus and are in a safe location.
Students should be told to pick up any dropped object as long as it's not under the bus.
Students should be told to leave any dropped object and move to a point of safety out of the danger zones and attempt to get the driver’s attention to retrieve the object.
6. If you have to drive off the road, you should:
brake as hard as you can to maintain control.
fully apply the brakes until your speed has dropped to about 20 mph.
keep one set of wheels on the pavement, if possible.
7. If you perform the skills test in a vehicle that is not equipped with air brakes:
you will be required to operate vehicles with air brakes.
you will be restricted from operating vehicles with air brakes.
you will be required to take the tank vehicle test.
8. A vehicle inspection should be done in the same order each time:
because it is required by law.
so you are less likely to forget something.
because the report must be written in that order.
9. To prevent getting sleepy while driving, you should:
drive alone whenever possible.
keep the cab warm.
keep cool by opening the window.
10. When students board, you should:
check all mirrors.
close the door.
count the number of mirrors.
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OK CDL School Bus Test

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