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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. If a student drops something in front of the bus, the student should:
leave the item where it fell, and get the driver's attention and permission to retrieve the item.
leave the item behind.
pick up the object as quickly as possible.
ask the driver to retrieve the item.
2. If you are driving a school bus, the 4-way emergency flashers should:
never be used.
be used only when a train is approaching.
be activated before crossing railroad tracks.
be activated after crossing railroad tracks.
3. Rough acceleration:
is necessary to warm up the engine.
is recommended during long trips.
can cause mechanical damage.
improves gas mileage.
4. When loading and unloading students, drivers of a school bus should check their mirrors:
After extending the stop arm.
After closing the door.
After entering the traffic.
5. In an emergency, before making a decision to evacuate the school bus, if time permits you should:
tell students to walk at least 10 feet away when they exit the bus.
release the parking brake.
contact your dispatcher to explain the situation.
count the number of students.
6. When a school bus is stalled on a railroad-highway crossing, the driver should:
evacuate the bus and lead the students as far away from railroad tracks as possible and in the direction of any oncoming train.
evacuate the bus and lead the students upwind of the bus.
keep the students on the bus to maintain student safety and control.
evacuate the bus and escort the students to a nearby ditch.
7. If you perform the skills test in a vehicle equipped with air over hydraulic brakes:
you will be restricted from operating vehicles with air brakes.
you will be required to operate a CMV without hydraulic brakes.
you will be required to operate vehicles with air brakes.
you will be required to take the tank vehicle test.
8. If your vehicle is hydroplaning, you should:
accelerate to get through the water as quickly as possible.
release the accelerator and push in the clutch.
use the brakes to slow down.
None of the above.
9. If there is a behavior problem on the bus that requires you to pull the bus over, after securing the bus you should:
put the student off the bus.
count the number of students to confirm the location of all students before before calling the police.
stand up and speak respectfully to the offender. If a change of seating is needed, request that the student move to a seat near you.
immediately call the school administrator or the police to remove the student.
10. The inside rearview mirror is used to:
see hazards ahead.
see the "danger zone" areas around the bus.
see the "danger zone" areas insde the bus.
monitor passenger activity inside the bus.
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MS CDL 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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