CDL School Bus Endorsement Practice Test 2025

CDL School Bus Endorsement Practice Test 2025: Commercial Driver’s License Permit Test (CDL) in the USA: Try our free School Bus Endorsement question answers with explanation, you can also download a printable PDF for free.

You should be thoroughly familiar with your state and local school district laws and regulations. A CLP holder with a passenger (P) and/or a school bus (S) endorsement is prohibited from operating a CMV with passengers, other than federal/ state auditors and inspectors, test examiners, other trainees, and the accompanying CDL holder (CFR, Title 49 §383.25).

CDL School Bus Endorsement Practice Test

What Does the Test Cover?

Danger Zones and Use of Mirrors
Loading and Unloading
Emergency Exit and Evacuation
Railroad-highway Grade Crossing
Student Management
Antilock Braking Systems
Special Safety Situations

School Bus Drivers must have a commercial driver’s license if they drive a vehicle designed to transport 16 or more persons, including the driver. They must have a school bus endorsement in addition to a passenger endorsement, therefore the endorsement on their license will be a PS endorsement.

Test Name	CDL Practice Test 2025
Language	English
License	Endorsements Permit
Total Questions	50 Knowledge Practice Test
Test For	Commercial Driver License
Test Preparation	School Bus Endorsement
Country	USA
Explanation	Yes

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111

CDL School Bus Endorsement Practice Test

1 / 50

What is the danger zone defined as according to the CDL section on School Buses?

A) A) It is the area outside of the bus where children are in the most danger of being hit by an automobile or their own bus.

B) B) It is a space that has been invaded by unhappy children

C) D) The result of having to take this test.

D) C) There are no such terms.

2 / 50

If while crossing the track, the gates and lights begin to operate:

A) C) Stay put.

B) A) Back off the track.

C) B) Bust through the gate.

D) D) Flip a coin.

3 / 50

At the end of the route or trip, what do you look for while doing a walk through?

A) C) Any damage done to the bus.

B) A) Sleeping students.

C) D) All of the above.

D) B) Articles left on the bus.

4 / 50

How many different exits does a school bus have for evacuations?

A) 4

B) 8

C) 7

D) 9

5 / 50

According to the CDL manual, how far away do you activate your hazard lamps from a railroad crossing?

A) B) 200’ ( tap brake)

B) D) Zero

C) A) 100’

D) C) 300’

6 / 50

According to the CDL manual, how far away should the student be from the bus upon arrival?

A) B)10’

B) C)100’

C) D) 2’

D) A) 20’

7 / 50

What is the most important reason for doing a school bus inspection?

A) For safety required by Federal, Sate and Local laws

B) To assist the principal with their report

C) To give the mechanic something to do

8 / 50

How should you handle serious student problems on the bus?

A) C) Stop the bus where you are at and handle the situation.

B) A) Stop the bus. Park in a safe location off the road, perhaps a parking lot or driveway.

C) D) Tell the parent when you reach the stop that the student can not ride anymore.

D) B) Scream at the student and tell them to sit down and shut up.

9 / 50

How far does the danger zone extend to the front of the bus according to the CDL manual?

A) A) 21’

B) B) 10’

C) D) 50’

D) C) 30’

10 / 50

The properly adjusted outside left and right side CONVEX mirrors allow visibility in what area?

A) The entire side of the bus up to the front tires at ground level, front of the rear tires touching the ground, and at least one traffic lane on either side of the bus

B) The area directly in front of the bus

C) Front of the rear tires touching the ground, the entire side of the bus up to the mirror mounts, and at least one traffic lane on either side of the bus

11 / 50

Who is the last person off the bus during an evacuation?

A) C) Driver

B) B) Monitor

C) D) The ugliest one

D) A) Youngest student

12 / 50

In what position should the students be when the bus approaches for pick-up?

A) D) Who cares, they are not mine.

B) A) Facing the bus.

C) B) Running to the bus.

D) C) In the middle of the road.

13 / 50

What sign tells you that a railroad crossing is passive?

A) B)A cross buck sign.

B) C) A peace sign painted on the roadway.

C) A) A round yellow on black sign with R&R on both sides

D) D) None of the above.

14 / 50

If evacuating a bus is necessary, how far should you move the students away from the bus?

A) A) 100’ downwind.

B) B) 200’ upwind

C) C)100’ in direction of oncoming traffic.

D) D) ¼ mile.

15 / 50

When you are unloading students on your route, where should they walk to before crossing the road?

A) B) At the very front of the bus close to the bumper.

B) A) At the right front corner of the bumper where you can see them, 10’ away.

C) D) It doesn’t matter, they have eyes of there own

D) C) Behind the bus.

16 / 50

When should you back at a stop where you are preparing to load?

A) C) Upon approach to the stop.

B) A) After the students are on board.

C) B) Before you load your students.

D) D) It doesn’t matter, students should know to get out of your way.

17 / 50

The bus driver must accept responsibility for supervising and controlling students while on the bus route. Who is the person in charge?

A) Students on the bus

B) Bus driver

C) Parents of the students on the bus

18 / 50

What are some reasons for evacuating the bus?

A) A) Is there a danger of a fire?

B) B) Do I have a fuel leak?

C) D) All the above

D) C) Is there a chance that I may be hit by another vehicle?

19 / 50

When students reach the edge of the roadway, they should:

A) B) Check to make sure the red lamps are still flashing

B) D) All the above

C) C) Wait for your signal to cross

D) A) Stop and look in all directions making sure it is safe to cross.

20 / 50

What is the safest way to back up in an area where visibility is poor?

A) B) Back slowly and smoothly.

B) D) All the above.

C) C) Ask a student or aid to lookout if possible.

D) A) Constantly check all mirrors.

21 / 50

When are students in the greatest danger involving school buses?

A) A) Getting on and off the bus.

B) B) As passengers inside of the bus.

C) C) When parents bring their children to school.

D) D) Never, they are immortal.

22 / 50

When approaching the stop , you should

A) D) All the above.

B) B) Continuously check your mirrors.

C) C) Bring your bus to a complete stop with the front bumper at least 10’ away from the students.

D) A) Approach slowly and cautiously

23 / 50

What can you see out of the passenger rearview mirror?

A) C) The top of the rear window in the top of the mirror.

B) A) What is going on inside of the bus.

C) D) All the above.

D) B) Limited traffic behind the bus.

24 / 50

Before leaving the bus, what is the first thing that you should do

A) A) Set the park brake.

B) D) Nothing

C) C) Take key out of the ignition.

D) B) Leave the bus in gear and turn it off.

25 / 50

A school bus has how many feet of tail swing?

A) B) 10’

B) C) 3’

C) A) 6’

D) D) 2’

26 / 50

When should a student approach the bus to get on?

A) B) As they want to.

B) A) When you signal them.

C) D) Before you stop.

D) C) When you stop.

27 / 50

Where are the cross-over mirrors located?

A) A) Under the front bumper.

B) D) Buses don’t have cross over mirrors.

C) C) Under the west coast Mirrors.

D) B) On both left and right front corners of the bus.

28 / 50

What clues tell you are at an active railroad crossing?

A) D) Active crossings require no markings.

B) C) An empty set of railroad tracks.

C) A) Flashing red lights with bells and gates.

D) B) All railroad crossings are active.

29 / 50

When crossing railroad tracks, what gear must you be in before crossing in an automatic?

A) B) Highest gear.

B) C) Drive

C) A) Lowest gear.

D) D) Whatever gear I feel like

30 / 50

What should you do when you are driving in high winds?

A) B) Slow down to lessen the effect of the wind.

B) C) Try to anticipate gust and adjust your driving accordingly.

C) A) Keep a strong grip on the steering wheel.

D) D) All the above.

31 / 50

Where is the passenger mirror located on the bus?

A) A) Inside the bus, above the drivers head and windshield.

B) C) By the service door.

C) D) Buses don’t have one.

D) B) At the rear corner of the bus.

32 / 50

What endorsements must a driver have to drive a school bus:

A) A) PMS

B) C) NP

C) D) XP

D) B) PS

33 / 50

If your bus stalls while crossing the track at a railroad crossing you should:

A) C) Move toward oncoming train.

B) D) All the above.

C) B) Move away from tracks at an angle.

D) A) Get everyone off immediately.

34 / 50

The driver who misses the child to unload at a bus stop should

A) Radio the dispatcher for direction and follow the local procedure

B) Discharge the child on the next stop

C) Back up to the missed stop

35 / 50

With an ABS Braking system, how do you use your brakes?

A) A) Pumping the pedal for all it is worth.

B) C) Stomp the pedal as if you would stomp your foot to music.

C) B) Firm pressure on the brake pedal as usual.

D) D) All of the above.

36 / 50

When should you put a student off the bus?

A) C) Only at school .

B) D) Only if an administrator tells you where to let them off.

C) A) Never

D) B) If you have had all you can stand.

37 / 50

According to the CDL manual, what are the danger zone dimensions around the school bus?

A) D) 30’ to the front, 10’ on each side, & 10’ to the rear.

B) A) 30’ front, 24’ on sides, 8’ to the rear.

C) C) There is no such thing as a danger zone.

D) B) 15’ front, 11’ at rear, 50’ on sides.

38 / 50

As a general rule where are the students best protected during an emergency?

A) B) Outside the bus.

B) C) Hanging out the windows.

C) A) On the bus.

D) D) None of the above.

39 / 50

If your bus is equipped with a strobe light, when should it be used?

A) C) When you feel like it.

B) D) Never

C) A) Only when visibility is poor.

D) B) All the time.

40 / 50

Where are the convex mirrors located, according to the CDL manual?

A) B) Inside the Bus

B) A) Below the outside flat mirrors.

C) D) Don’t ask me, I’ve never seen them.

D) C) At the rear of the bus.

41 / 50

What is the stopping distance at a railroad crossing for a school bus?

A) B) 15’ to 20’

B) A) 15’ to 50’

C) D) At the crossing gate

D) C) 20’ to 30’

42 / 50

According to the CDL manual, the flat mirrors on the bus should be able to see how many feet behind the sides of the bus?

A) A) 200’

B) C) 50’

C) D) 100’

D) B) 1000’

43 / 50

Passive railroad crossings are dangerous because:

A) D) All the above.

B) A) They have no active crossing devices.

C) B) Are very seldom used.

D) C) It is hard to know if a train is coming.

44 / 50

According to the CDL manual, How far can the blind spot exist from the passenger rearview mirror?

A) A) 100’

B) C) There is no such thing as a blind spot.

C) D) It is only an imaginary thought.

D) B) Directly behind the drivers seat and as much as 400’ or more behind the bus.

45 / 50

By law, the warning lights must only be used when approaching a:

A) Stop to load or unload students

B) Busy intersection

C) Sharp turns

46 / 50

How far does the danger zone cover to the sides of the bus?

A) A) 23’ -25’

B) B) 50’ -75’

C) C) 10’ - 15’

D) D) There are no danger zones.

47 / 50

If you cannot account for any/all students outside the bus, you should:

A) B) Check around the bus.

B) D) All the above.

C) C) Check under the bus.

D) A) Secure the bus by setting the parking brake.

48 / 50

After making the initial stop to pick up a child, what two things are to be done before allowing a child to enter the bus?

A) B) Gear selector in R and foot on brake pedal.

B) C) Gear selector in N and parking brake set.

C) A) Gear selector in D and foot on brake pedal.

D) D) Gear selector in 1 and parking brake set.

49 / 50

The CDL manual recommend evacuating students in the event of a hazardous spill?

A) D) It doesn’t , keep them on the bus.

B) B) 300’ upwind.

C) A) 30’ upwind.

D) C) 200’downwind.

50 / 50

A battery box check is important. The battery must be secure, connection must be tight, and cell caps must be present. In addition these items should be checked:

A) Battery connections should not show signs of excessive corrosion, and the battery box and cover or door should not be damaged and should be secure

B) Battery connections should not show signs of excessive corrosion, but the battery box and cover or door is unimportant

C) Battery connection should show signs of excessive wear

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The average score is 77%

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