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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. When students load and unload, what should the driver do?
ask the students to be quick.
plan the route.
supervise the process.
All of the above.
2. If you are being tailgated, you should:
increase your speed very gradually.
turn on your taillights.
make quick changes.
open up room in front of you.
3. When dealing with a drunk or disruptive rider, you must:
take this rider to the closest police department.
ensure the rider's safety, as well as that of others.
discharge the disruptive rider immediately.
All of the above.
4. If you have to drive off the road, you should:
fully apply the brakes until your speed has dropped to about 20 mph.
keep one set of wheels on the pavement, if possible.
leave the road completely.
brake as hard as you can to maintain control.
5. You should adjust outside mirrors:
while students get off the bus.
while students get on the bus.
before a trip begins.
during a trip.
6. If you feel drowsy, you should _______ before driving.
drink coffee
listen to upbeat music
7. Which of the following is not a rule for using turn signals?
Don't signal unless another vehicle is behind you
Cancel your signal after you have turned
Signal continuously
Signal early
8. Before leaving a bus stop, you should:
walk through the bus and around the bus to look for open windows and doors.
walk through the bus to check for sleeping students.
walk through the bus to check for items left by students.
make sure no students are around or returning to the bus.
9. If you experience a tire failure, do NOT:
hold the steering wheel firmly.
when the vehicle has slowed down, brake very gently, pull off the road, and stop.
stay off the brake (unless you're about to run into something).
apply the brakes as hard as you can.
10. Never refuel your bus:
while the windows are open.
with a higher grade of fuel.
in a closed building with riders on board.
All of the above.
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WY CDL School Bus Test

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