Bus

This endorsement is required for driving a school bus. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice.. Read More

This endorsement is required for driving a school bus. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Each question has three possible answer choices. Test questions come from the Iowa Commercial Driver License Manual. Questions come from chapters covering School Buses, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. The School Bus endorsement can be used with the Class A, B or C CDL.

Number of Question
Passing Score

1. When taking the driving test and asked to make a turn, you should:

Explanation
When asked to make a turn during the on-road driving test, you must check traffic in all directions and use your turn signal.

2. If taking the driving test and the route does not include a railroad crossing, you:

Explanation
If your on-road driving test route does not include a railroad crossing, you may be asked to explain and demonstrate the proper railroad crossing procedures to the examiner at a simulated location.

3. When completing a driver's side parallel parking maneuver, you should:

Explanation
You may be asked to complete a parallel parking maneuver into a parking space that is to the left of your vehicle. You should drive past the parking space before backing into it while bringing the rear of your vehicle as close to the rear of the space as possible. Your vehicle should be completely within the boundaries of the space.

4. If a student drops an item while approaching a school bus, the student should:

Explanation
If a student tries to retrieve a dropped object, they may disappear from the driver's line of sight. This is potentially very dangerous. Rather than retrieve dropped items themselves, students should move to a point of safety outside of the bus's danger zones, get the driver's attention, and wait for the driver to retrieve what has been dropped.

5. If you must drive during periods of high winds, you should:

Explanation
A school bus's long sides are vulnerable to being pushed by winds. If you must drive in windy conditions, you should maintain a strong grip on the steering wheel, try to anticipate wind gusts, and slow down. If necessary, contact your dispatcher for instructions on how to proceed.

6. Adjust a bus's mirrors:

Explanation
The adjustment of mirrors should be checked prior to the start of any trip.

7. ABS helps you:

Explanation
The function of an Anti-Lock Braking System (ABS) is to prevent a vehicle's wheels from locking up when the driver brakes hard on a slippery surface.
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