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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 Louisiana school bus test, and you must also pass skills tests in a school bus. The LA 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 Louisiana CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this LA CDL practice test to prepare for the actual bus test!
1. When approaching a stopped school bus, drivers must be aware that:
passengers may cross in front of or behind the bus.
students may start to get out of the bus.
the bus may suddenly start up and drive into your way.
All of the above.
2. When driving, you should check mirrors regularly to know where other vehicles are around you. Remember that:
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.
convex mirrors make things look larger and closer than they really are.
3. When driving a school bus in strong winds, you should:
Avoid pulling off the road to wait.
Keep a strong grip on the steering wheel and try to anticipate gusts.
Speed up to get away from the wind as quickly as possible.
All of the above.
4. If the school bus is equipped with a handicap lift, you should:
look for damaged, leaking or missing parts and make sure that the lift is fully retracted and latched.
look for cracked drums.
look for bent, loose, or broken parts, such as tie rods.
test what happens under braking conditions.
5. You should adjust the outside left and right side flat mirrors so you can see:
the rear tires touching the ground.
400 feet behind the bus.
the right and left front tires touching the ground.
All of the above.
6. If you perform the skills test in a vehicle that is not equipped with air brakes:
you will be required to operate vehicles with air 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 take the tank vehicle test.
7. What should you do if your vehicle starts hydroplaning?
Accelerate slightly, then push in the clutch to slow down.
Apply the brakes and countersteer to regain control of the vehicle.
Leave the road completely.
Release the accelerator and push in the clutch to let the wheels turn freely.
8. If your bus leans toward the outside on a banked curve, the bus:
is going at the proper speed.
is going too slow.
is going too fast.
has good traction.
9. Your vehicle has air brakes. To stop, you should:
release the accelerator, push in the clutch, and shift to Neutral at the same time.
push the brake pedal down.
pump the brake pedal 3 times.
pull the parking brake control knob out.
10. When driving in fog, drivers should:
use high beams.
use low beams.
use windshield washer antifreeze.
use the windshield wipers.
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LA CDL School Bus Test

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