Directions: 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 Idaho Commercial Driver’s License Manual. Questions come from chapters covering: Safety, Passengers, School Buses, Cargo, Air Brakes, 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.

Idaho CDL Permit Test - Bus

During a basic vehicle controls skills test exercise, your vehicle's final position should be:

Texting while driving is especially dangerous because:

A driver should ensure that:

If other vehicles are having a difficult time getting around your truck on a road with two or more lanes, you should:

What do the two systems of a dual air brake system share?

What is often found in compressed air?

What is brake lag?

Number of questions:	20
Passing score:	16

In the general area that was described by the examiner.
In the exact final position described by the examiner.
Within three feet of the final position described by the examiner.

It is both a mental and physical distraction.
A message may be upsetting to the driver.
People like to read and may become too engaged in their phones.

The truck is overloaded.
The truck is properly loaded.
The cargo is mostly in the front of the trailer.