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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 South Dakota school bus test, and you must also pass skills tests in a school bus. The SD 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 South Dakota CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this SD CDL practice test to prepare for the actual bus test!
1. After unloading at the school, you should walk through the bus to:
make sure no students are returning to the bus.
to check for items left by students and hiding or sleeping students.
release the parking brake.
close the door.
2. To know if your vehicle is equipped with ABS, look for:
an ABS placard.
a yellow ABS malfunction lamps on the instrument panel.
the ABS shipping paper.
the ABS logo on the steering wheel.
3. All stops should be approved by __________ prior to making the stop.
the school district
the bus driver
the department of transportation
4. One way to prevent hydroplaning is to:
use the controlled braking method.
have less than 4/32 inch tread depth in every major groove on front tires.
take curves at higher speeds.
make sure you have enough tread on your tires.
5. If you realize you are going to be later to your destination than you expected, you should:
speed up.
exceed the posted speed limit when no other vehicles are near.
do your best to avoid the delay.
deal with it and accept the delay.
6. ABS (Anti-lock Braking System):
is an addition to your normal brakes.
does not decrease or increase your normal braking capability.
keeps your wheels from locking when you apply the brakes hard.
All of the above.
7. When you are driving a school bus, the emergency exit doors or windows must always:
stay open.
be closed.
have a red door light turned on.
None of the above.
8. Select the best answer. Danger zones are located:
on all sides of the bus.
to the rear of the bus.
to the sides of the bus.
in the front of the bus.
9. When a rider wants to board the bus with a car battery, you should:
put the car battery in the aisle.
not allow the car battery on the bus.
put the car battery at the back of the bus.
check that the battery does not contain any gasoline.
10. Properly adjusted mirrors on a school bus should allow the driver to see:
under the school bus.
the front tires touching the ground.
the vehicles in front of the bus.
the sides of the school bus.
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SD CDL School Bus Test

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