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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 Colorado school bus test, and you must also pass skills tests in a school bus. The CO 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 Colorado CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this CO CDL practice test to prepare for the actual bus test!
1. If driving a charter bus, you should:
explain the passenger comfort and safety rules while driving.
allow passengers on the bus early.
not allow passengers on the bus until departure time.
tell passengers to fill the back of the bus first.
2. The location of school bus stops:
is established by each school district and should never be changed without approval.
is changed every year.
may be changed by the driver if the majority of students vote for the change.
is established the students and their parents.
3. When unloading at the school, the driver should:
ask one of the students to supervise unloading.
make sure the students are returning to the bus.
secure the bus by starting the engine.
walk through the bus and check for hiding/sleeping students.
4. The official routes and school bus stops are established by:
the parents.
each driver.
each school district.
the students.
5. Skids caused by acceleration can usually be stopped by:
taking your foot off the accelerator.
swerving to the right.
applying the brakes firmly.
swerving to the left.
6. When checking the bus seats, make sure that:
they are safe for riders.
they are securely fastened to the bus.
they have not been damaged.
All of the above.
7. Always check the interior of the bus before driving, including:
Floor covering
Emergency exit handles
Handholds and railings
All of the above.
8. Which of the following is NOT a warning sign of fatigue?
Trouble remembering the last few miles driven
Frequent blinking
Heavy eyelids
Driving at the speed of the traffic
9. When stopping, you should bring the school bus to a full stop how many feet away from students at the bus stop?
At least 5 feet
At least 50 feet
At least 25 feet
At least 10 feet
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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CO CDL School Bus Test

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