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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 Missouri school bus test, and you must also pass skills tests in a school bus. The MO 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 Missouri CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this MO CDL practice test to prepare for the actual bus test!
1. Bus drivers:
must wear a seat belt at all times.
are exempt from wearing a seat belt.
are required to wear a seat belt only when transporting passengers.
2. When changing lanes, you should:
do it slowly, so a driver you did not see may have a chance to honk their horn.
turn sharply.
do it quickly so other vehicles won't get into the lane.
3. The area to the left of the bus is always considered dangerous because of:
passing vehicles.
parked vehicles.
blind spots.
4. School buses:
are never equipped with ABS.
may be equipped with ABS.
are only equipped with ABS if built after March 2010.
5. While crossing railroad tracks, you should:
not shift gears.
shift up.
shift down.
6. To recognize distracted drivers, you should watch for all of the following except:
Vehicles traveling at inconsistent speeds.
Students sitting on a bench waiting for a bus.
Drivers who are involved in conversations with their passengers.
7. The inside rearview mirror is used to:
monitor passenger activity inside the bus.
see the "danger zone" areas insde the bus.
see the "danger zone" areas around the bus.
8. If the drive wheels begin to spin, you should:
take your foot off the accelerator.
apply your brakes all the way.
accelerate smoothly and change gears as necessary.
9. When approaching an emergency vehicle stopped on the side of the road with lights flashing, you should:
move to the lane not next to that of the emergency vehicle.
speed up.
stay in the right lane.
10. When checking the bus seats, make sure that:
they are securely fastened to the bus.
they have not been damaged.
All of the above.
 
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MO School Bus Test

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