Maine East High School

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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 Illinois school bus test, and you must also pass skills tests in a school bus. The IL 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 Illinois CDL Manual: School Buses, Vehicle Inspection Test, Basic Control Skills Test and Road Test. After studying, take this IL CDL practice test to prepare for the actual bus test!
1. The safety valve is usually set to open at:
150 psi.
100 psi.
75 psi.
200 psi.
2. Before leaving a bus stop, you should:
walk through the bus to check for sleeping students.
walk through the bus and around the bus to look for open windows and doors.
walk through the bus to check for items left by students.
make sure no students are around or returning to the bus.
3. The driver MUST evacuate the bus when:
there is an imminent danger of an accident.
there is a threat of a fire.
the position of the bus may change and increase the danger.
All of the above.
4. Of all the space around your vehicle, the most important is:
the area to the sides of the vehicle.
All areas around the vehicle are equally important.
the area behind the vehicle.
the area ahead of the vehicle.
5. A vehicle inspection should be done in the same order each time:
so you are less likely to forget something.
because it is required by law.
because it's much quicker.
because the report must be written in that order.
6. Skids caused by acceleration can usually be stopped by:
swerving to the left.
applying the brakes firmly.
taking your foot off the accelerator.
swerving to the right.
7. If ABS is not working:
you should use the parking brake.
you should use the emergency brake.
you will not have any brakes.
you will still have brakes.
8. What should you do if your vehicle starts hydroplaning?
Leave the road completely.
Accelerate slightly, then push in the clutch to slow down.
Apply the brakes and countersteer to regain control of the vehicle.
Release the accelerator and push in the clutch to let the wheels turn freely.
9. Properly adjusted outside left and right side flat mirrors allow the school bus drivers to see _____ behind the bus.
200 feet
100 feet
50 feet
300 feet
10. Air brakes use ________ to make the brakes work.
compressed gases
compressed oil
compressed air
compressed gas cylinders
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IL School Bus Test

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