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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 Minnesota school bus test, and you must also pass skills tests in a school bus. The MN 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 Minnesota CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this MN CDL practice test to prepare for the actual bus test!
1. You are driving a school bus, When approaching a railroad crossing you should:
cross the tracks in a high gear.
activate the 4-way emergency flashers.
stop no closer than 5 feet from the tracks.
change lanes if possible.
2. The area to the left of the bus is always considered dangerous because of:
passing vehicles.
blind spots.
passing pedestrians.
parked vehicles.
3. When checking the bus seats, make sure that:
they have not been damaged.
they are securely fastened to the bus.
they are safe for riders.
All of the above.
4. The most students are killed each year:
while getting on and off the bus.
as passengers inside of a school bus.
by drunk school bus drivers.
in crashes involving buses and motorcycles.
5. You should adjust the outside left and right side flat mirrors so you can see:
the right and left front tires touching the ground.
400 feet behind the bus.
the rear tires touching the ground.
All of the above.
6. If a bus has a restroom:
the restroom must have an emergency exit.
the restroom must have a window.
the restroom emergency buzzer must be in safe working condition.
All of the above.
7. When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:
convex mirrors make things look larger and closer than they really are.
every registered motor vehicle must have at least one mirror.
you should check your after the start of any trip to make sure they are properly adjusted.
there are blind spots that your mirrors cannot show you.
8. Proper adjustment and use of all mirrors is vital to the safe operation of a school bus:
in order to see 500 feet or 10 bus lengths behind the bus.
in order to monitor the danger zones around the bus for students, traffic, and other objects.
in order to have the students exit in orderly fashion.
All of the above.
9. As a general rule, during an emergency student safety is best maintained by:
immediately coming to a complete and sudden stop.
keeping students on the bus.
planning the evacuation well in advance.
evacuating the bus.
10. Buses may carry:
emergency hospital supplies.
small-arms ammunition labeled ORM-D.
All of the above.
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MN School Bus 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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