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 or four possible answer choices. Test questions come from the Wisconsin Commercial Driver’s Manual. Questions come from chapter covering School Buses. The School Bus endorsement can be used with the Class A, B or C CDL.

Number of Question
Passing Score

1. If your vehicle's ABS is malfunctioning:

Anti-lock brakes are meant to keep a vehicle's wheels from locking up during hard applications. If your vehicle's Anti-Lock Braking System (ABS) malfunctions, its standard braking functions should still be in place. You should continue to drive and brake in a normal manner.

2. Properly adjusted outside convex mirrors should allow the driver to see:

On a school bus, outside convex mirrors should be adjusted to allow the driver to see at least one traffic lane on either side of the bus; the entire side of the bus up to the mirror mounts; and where the front of each rear tire touches the ground.

3. As students exit a school bus, the driver should watch to ensure that they:

It is possible for students to be injured, or even killed, as a result of their clothing, accessories, or bodies getting caught on a handrail or door while exiting a school bus. The driver should closely watch students as they exit to ensure that they have all unloaded the bus successfully and have reached a safe location.

4. The overhead rearview mirror is located:

On a school bus, the overhead inside rearview mirror is mounted directly above the windshield on the driver’s side of the bus. This mirror should be used to monitor students inside the bus.

5. As a general rule, student safety is best maintained by:

In most emergency or crisis situations, students will be safest and easiest to keep under control if they remain on the school bus. Generally, students should be kept on the bus as long as it does not expose them to unnecessary risks or injury.

6. When stopping to pick up students, be sure to park at least 10 feet away from the students because:

When picking up passengers, a school bus driver should park with the vehicle's front bumper at least 10 feet away from the students. This is the safest parking option because it forces the students to walk to the bus, making it possible for the driver to watch their movements.

7. If a school bus stalls on a railroad track:

If a school bus becomes stalled or trapped on railroad tracks, the driver should immediately evacuate everyone from the bus. If the bus is struck by a train, to avoid any flying debris, the students should be led far away from the bus at an angle that is in the direction of any oncoming train.
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