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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 Mississippi school bus test, and you must also pass skills tests in a school bus. The MS 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 Mississippi CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this MS CDL practice test to prepare for the actual bus test!
1. When students are boarding the school bus, you should do all of the following except:
ask the students to board in pairs.
monitor all mirrors continuously.
count the number of students at the bus stop and ensure all board the bus.
wait until students are seated before moving the bus.
2. ABS (Anti-lock Braking System):
keeps your wheels from locking when you apply the brakes hard.
is an addition to your normal brakes.
does not decrease or increase your normal braking capability.
All of the above.
3. Passive railroad crossings:
do not require you to stop.
do not have yellow circular advance warning signs, pavement markings and crossbucks.
do not have any type of traffic control device.
All of the above.
4. ABS:
keeps your wheels from locking up during hard brake applications.
allows you to drive faster.
helps increase brake pressure.
always shortens your overall stopping distance.
5. When driving on slippery roads, you should NOT:
try to anticipate stops early.
watch far enough ahead to keep a steady speed.
go slowly.
use the engine brake.
6. Before driving your bus, make sure ________ do not have recapped or regrooved tires.
the rear wheels
the spare wheels
the front wheels
None of the above.
7. Air brakes use ________ to make the brakes work.
compressed oil
compressed air
compressed gases
compressed gas cylinders
8. Never refuel your bus:
with a higher grade of fuel.
while the windows are open.
in a closed building with riders on board.
All of the above.
9. When unloading the students, you must:
tell students to exit the bus and walk behind the bus.
wait until all students are seated and facing forward before moving the bus.
have the students remain seated until they are told to exit.
avoid counting the number of students while unloading, as this is a waste of precious time.
10. Hydroplaning is more likely if:
tire pressure is low.
the road is wet.
tire tread is worn.
All of the above.
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MS CDL School Bus Test

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