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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 Arkansas school bus test, and you must also pass skills tests in a school bus. The AR 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 Arkansas CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this AR CDL practice test to prepare for the actual bus test!
1. If you experience a tire failure, do NOT:
stay off the brake (unless you're about to run into something).
when the vehicle has slowed down, brake very gently, pull off the road, and stop.
apply the brakes as hard as you can.
hold the steering wheel firmly.
2. If your bus has a manual transmission, when crossing railroad tracks you should never:
proceed carefully.
change gears.
use your brakes.
listen and look in both directions for trains.
3. Select the best answer. Before operating the school bus, you should always:
check each mirror.
check the rearview mirror.
check the left mirror.
check the right mirror.
4. Depending on the length and width of a school bus, the blind spot behind the bus could extend up to:
150 feet
400 feet
200 feet
100 feet
5. Carry-on baggage:
must be left in the aisle.
should not be left in the aisle.
may be left in the aisle.
None of the above.
6. Your vehicle has air brakes. To stop, you should:
push the brake pedal down.
release the accelerator, push in the clutch, and shift to Neutral at the same time.
pull the parking brake control knob out.
pump the brake pedal 3 times.
7. If your ABS fails:
you will have no brake function, and could lose control.
the first step is to get the vehicle off the road and stop.
your tires might grab unexpectedly and you could lose control.
you will still have normal brake functions.
8. Buses may carry:
emergency hospital supplies.
drugs.
small-arms ammunition labeled ORM-D.
All of the above.
9. When approaching and driving through a work zone, you should:
observe the posted speed limits.
use your 4-way emergency flashers or brake lights to warn drivers behind you.
slow down.
All of the above.
10. How should you brake when driving a bus with ABS?
Always try to fully apply the brakes.
Pump the brakes as usual.
Brake as you always have.
None of the above.
 
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AR School Bus Test

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