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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 Kansas school bus test, and you must also pass skills tests in a school bus. The KS 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 Kansas CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this KS CDL practice test to prepare for the actual bus test!
1. When driving, you should check your mirrors:
every 10 seconds.
every 4 seconds.
only when there may be a problem.
2. Before driving, you should _______ all access panels.
3. Escape ramps:
have been built to stop runaway vehicles on steep downgrades.
can only be used by trucks or passenger vehicles.
are used to safely leave the highway.
All of the above.
4. When backing, you should:
only use mirror on the driver's side.
back quickly.
use the mirrors on both sides.
back and turn toward the right side whenever possible.
5. When unloading students at the school, you should:
leave the driver's compartment and keeping the key in the ignition.
secure the bus by turning off the ignition switch.
have the students stand until told to exit.
close the door and release the parking brake.
6. When unloading students along the school bus route:
Check all mirrors.
Count the number of students while unloading to confirm the location of all students before pulling away from the stop.
Have the students remain seated until told to exit.
All of the above.
7. When you double your speed from 20 to 40 mph, the braking distance:
is 4 times longer.
stays about the same.
increases slightly.
8. The heavier the vehicle:
the more work the brakes must do to stop it.
the less work the brakes must do to stop it.
the higher the center of gravity will be.
None of the above.
9. When changing lanes, you should check your mirrors:
After you have signaled.
After you complete the lane change.
Before you change lanes.
All of the above.
10. How many red reflective triangles should you carry?
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KS CDL School Bus Test

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