Save Time and Get a Pass Guarantee! LIMITED-TIME OFFER: Get CDL PREMIUM Now and SAVE $64! Upgrade To Premium


View instructions
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 District of Columbia school bus test, and you must also pass skills tests in a school bus. The DC 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 District of Columbia CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this DC CDL practice test to prepare for the actual bus test!
1. Texting while operating a commercial motor vehicle is:
acceptable if you are contacting your dispacther.
only allowed at night.
acceptable if you are contacting your supervisor.
2. Select the best answer. Before operating the school bus, you should always:
check each mirror.
check the right mirror.
check the rearview mirror.
check the left mirror.
3. Rims with welding repairs:
can be used for tires in the rear of the vehicle.
are acceptable only when carrying a heavy load.
are not safe.
can be used for tires in the front of the vehicle.
4. All mirrors should be viewed in a logical sequence to ensure that:
monitor passenger activity inside the bus.
a child or object is not in any of the danger zones.
the right and left front tires are touching the ground.
direct vision and mirror view vision overlap.
5. If you recognize a distracted driver on the road, you should:
follow them closely.
try to pass them.
give them plenty of room.
flash your brake lights at them.
6. Properly adjusted outside mirrors should allow school bus drivers to see _______ behind the bus.
2 bus lengths
1 bus length
4 bus lengths
3 bus lengths
7. If a drawbridge does not have a signal light or traffic control attendant, you should:
stop and look to make sure the draw is completely closed before crossing.
stop at least 5 feet before the draw of the bridge.
drive through the drawbridge with caution.
get through the drawbridge as quickly as possible.
8. To avoid a hazard:
driving on the shoulder of the road is always the best thing to do.
steering away from what is ahead may be the best thing to do.
stopping is always the best thing to do.
changing lanes is always the best thing to do.
9. Properly adjusted mirrors on a school bus should allow the driver to see:
the front tires touching the ground.
under the school bus.
the sides of the school bus.
the vehicles in front of the bus.
10. If the drive wheels begin to spin when accelerating, you should:
brake gently.
set the parking brake.
continue to accelerate.
take your foot off the accelerator.
Page 1 of 2
Next page  
Rate This Free Test
4.9 out of 5
based on 168 votes

DC CDL 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%
Share This Online CDL Test