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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 Texas school bus test, and you must also pass skills tests in a school bus. The TX 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 Texas CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this TX CDL practice test to prepare for the actual bus test!
1. If you realize you are going to be later to your destination than you expected, you should:
exceed the posted speed limit when no other vehicles are near.
speed up.
deal with it and accept the delay.
do your best to avoid the delay.
2. Depending on the length and width of a school bus, the blind spot behind the bus could extend up to:
150 feet
400 feet
200 feet
100 feet
3. The safety valve is usually set to open at:
150 psi.
75 psi.
200 psi.
100 psi.
4. ______are mounted on the front corners of the bus.
Emergency doors
Outside left and right side rearview mirrors
Warning devices
Outside left and right side cross view mirrors
5. If your bus leans toward the outside on a banked curve:
you are braking too hard.
you are driving too fast.
you are driving too slow.
you are turning too soon.
6. For safety during a trip, you should:
drive on the shoulder of the road.
pull off the road and stop.
shift into a lower gear.
use your senses to check for problems.
7. You should adjust outside mirrors:
before a trip begins.
while students get on the bus.
while students get off the bus.
during a trip.
8. If driving a charter bus, you should:
tell passengers to fill the back of the bus first.
allow passengers on the bus early.
explain the passenger comfort and safety rules while driving.
not allow passengers on the bus until departure time.
9. Active railroad crossings:
do not have any type of traffic control device at the crossing.
have a traffic control device installed at the crossing to regulate traffic.
require drivers to recognize the crossing, search for any train and decide if there is sufficient space to cross safely.
All of the above.
10. When arriving at a destination, it is best to tell passengers to take their carry-ons with them:
at least twice.
before coming to a complete stop.
after stopping.
as they get off the bus.
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TX CDL School Bus Test

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