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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 Hawaii school bus test, and you must also pass skills tests in a school bus. The HI 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 Hawaii CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this HI CDL practice test to prepare for the actual bus test!
1. If a rider wants to board the bus with a car battery, the bus driver should:
not allow the rider to carry on the battery.
instruct the rider to sit next to the exit doors.
inspect the battery before allowing the rider to carry it on board.
2. If the safety relief valve in the air brake system releases air:
the valve is fully operational.
something is wrong.
this will supply more power to the brakes.
3. When you are being tailgated, you should:
flash your brake lights.
signal the tailgater when it's safe to pass you.
increase your following distance.
4. Vehicles with ABS have ______ ABS malfunction lamps on the instrument panel.
5. To make the brakes work, air brakes use:
compressed air.
hydraulic air.
6. How should you brake if your vehicle loses ABS?
Pump the brake repeatedly
Step on and off the brake pedal several times
Brake as you always have.
7. A school bus driver must evacuate the bus when:
the ABS is not working properly.
you have pull off the road and stop.
the bus is stalled on a railroad crossing.
8. Air tank drains:
should not be used in wet weather.
protect the tanks and the rest of the system from too much pressure.
are used to remove water and oil from the air tanks.
9. When approaching a school bus stop, you should:
activate amber warning lights.
continuously check all mirrors.
All of the above.
10. The header board, if equipped, should:
block the forward movement of any cargo you carry.
not be used in case of a crash or emergency stop.
never be used for cargo.
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HI School Bus CDL 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%
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