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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 Wyoming school bus test, and you must also pass skills tests in a school bus. The WY 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 Wyoming CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this WY CDL practice test to prepare for the actual bus test!
1. You should always adjust your speed to be able to stop within:
the length of your vehicle.
the distance you can see ahead.
50 feet.
30 feet.
2. Watch out for black ice:
any time the temperature is below freezing and the road looks wet.
when it is snowing.
right after it starts to rain.
when the temperature is above freezing and the road is dry.
3. All stops should be approved by __________ prior to making the stop.
the bus driver
the school district
the department of transportation
4. If an evacuation is in the best interest of safety, after determining the best type of evacuation what should you do next?
Walk through the bus to ensure no students remain on the bus.
Order the evacuation.
Protect the scene.
Secure the bus.
5. After an accident, an improper use of flares could cause:
a fire if spilled fuel is on the ground.
the vehicle to slide back and forth.
air pressure to build from 50 to 100 psi within 2 minutes.
the springs to put on the brakes.
6. Which of the following statements about bus evacuation is true?
If time allows, you should notify your dispatch office of the evacuation conditions, location and type of assistance needed.
You should never remove the ignition key.
If time allows, you should close all windows before leaving the bus.
All of the above.
7. If you lose ABS control on one or more wheels, you should:
stop braking and countersteer.
drive normally (you still have regular brakes), but get the system serviced soon.
fully apply the brakes until you stop.
immediately report it to the motor carrier.
8. Active railroad crossings:
require drivers to recognize the crossing, search for any train and decide if there is sufficient space to cross safely.
do not have any type of traffic control device at the crossing.
have a traffic control device installed at the crossing to regulate traffic.
All of the above.
9. Carry-on baggage should be placed:
in a way that allows passengers to exit by any window or door in an emergency.
in the aisle.
below the bus.
All of the above.
10. When backing, you should back and turn toward the driver's side:
so you can back on a curved path.
so you can see the shoulder of the road.
so you can see better.
so you can back in a straight line.
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WY School 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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