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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 Missouri school bus test, and you must also pass skills tests in a school bus. The MO 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 Missouri CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this MO CDL practice test to prepare for the actual bus test!
1. How should you brake when driving a bus with ABS?
Brake as you always have.
Always try to fully apply the brakes.
Pump the brakes as usual.
2. The overhead inside rearview mirror:
may provide limited visibility in the back of the bus if the bus is equipped with a glass-bottomed rear emergency door.
is used to monitor passenger activity inside the bus.
All of the above.
3. You should adjust outside mirrors:
during a trip.
while students get on the bus.
before a trip begins.
4. During an emergency student safety is generally best maintained by:
leading students as far away from the bus as possible.
leading students downwind of the bus if fire is present.
keeping students on the bus.
5. The ABS malfunction lamp on the instrument panel is:
Red
Orange
Yellow
6. When loading and unloading students, drivers of a school bus should check their mirrors:
After entering the traffic.
Continuously
After closing the door.
7. When you need to brake, you should warn the drivers behind:
by flashing your brake lights.
by making gestures.
by changing lanes.
8. Why should you back toward the driver's side?
You can see better and watch the rear of your vehicle by looking out the side window.
You can more easily correct any steering errors.
All of the above.
9. All stops should be approved by __________ prior to making the stop.
the bus driver
the department of transportation
the school district
10. To make the brakes work, air brakes use:
nitrogen.
compressed air.
hydraulic air.
 
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MO CDL School Bus Test

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