CDL School Bus Practice Test (50 Questions Answers)

CDL School Bus Practice Test (50 Questions Answers): There are a total of 50 questions and answers on the School Bus endorsement Knowledge Test written exam. The minimum passing mark is 80% you can check your score at the end of quiz.

CDL School Bus Practice Test (50 Questions Answers)

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	No

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CDL School Bus Endorsement Practice Test

CDL Practice Test
School Bus Endorsement
Total Items: 50 MCQs

1 / 50

You should activate hazard lights within approximately how many feet before railroad crossing?

A) 400 Feet

B) 200 Feet

C) 300 Feet

2 / 50

Anti-lock brakes:

A) Shorten stopping distance

B) Work only when you activate in-cab switch

C) Keep your wheels from locking off during hard brake application

3 / 50

In addition to checking for spare electrical fuses, three red reflective triangles and a properly charged and rated fire extinguisher, school bus drivers must also inspect the following emergency equipment:

A) Three red burning flares, safety belts in all seats

B) Three flares of any type and alcohol

C) Three red burning flares, a nine-item first-aid kit

4 / 50

Which of the following should you do when driving the school bus in high wind?

A) Keep a strong grip on the steering wheel and try to anticipate gust

B) Speed up to get away from the wind as quickly as possible

C) Avoid pulling off the road to wait

5 / 50

All mirrors should be viewed in what manner?

A) Simultaneously every 4 seconds

B) In a logical sequence checking traffic and passengers every 5 seconds

C) In a logical sequence to ensure that a child or object is not in any of the danger zones

6 / 50

During loading and unloading students you should check your mirrors:

A) Continuously

B) After entering the traffic

C) After you close the door

7 / 50

What should you do if you have lost ABS control at one or more wheels?

A) Drive faster so your ABS yellow malfunction lamp will go out

B) Drive normally because you still have regular brakes but have the system serviced soon

C) Call dispatch to report the problem

8 / 50

School buses are one of the safest means of transportation. What two key factors contribute to this impressive safety record?

A) Vehicles and Drivers

B) Vehicles and Police

C) Vehicles and Road conditions

9 / 50

How far should students exit the bus and walk to?

A) At least.8 feet away from the side of the bus

B) At least 10 feet away from the side of the bus

C) The distance it takes to clear the danger zone

10 / 50

By law, school buses must be equipped with alan _________lights overhead warning system as a method of controlling traffic at a school bus stop.

A) 8

B) 6

C) 4

11 / 50

Which of the following statements about the special danger of loading and unloading is true?

A) Students should be told to pick up any dropped objects as long as it is not under the bus

B) Students should be told not to use the handrails when exiting the bus due to the possibility of causing a clothing hang up

C) Students should be told to leave any dropped objects and move to the- point of safety out of danger and get the driver's attention to retrieve the object

12 / 50

At bus stops where more than one child is unloaded, which procedure most likely prevents an unloading obstacle?

A) The students cross the street one at a time, not as a group

B) The driver ensures the students are seated in the bus before leaving the stop

C) The driver counts the students as they disembark before moving

13 / 50

School buses must have at least how many emergency exits?

A) 2

B) 1

C) 4

14 / 50

What is the value of the overhead rearview mirror inside of the bus?

A) To monitor passenger activity

B) To provide visibility directly in the back of the bus

C) To monitor the driver's appearance

15 / 50

After deciding the type of evacuation that is necessary, the next step you must take is:

A) Securing the bus

B) Notifying the dispatch office of the evacuation

C) Dangle the radio microphone out of the driver window for later use

16 / 50

If you are loading students on the route and cannot account for them

A) Secure the bus and adjust the mirrors

B) Secure the bus, take the key and check around and underneath the bus

C) Ask other students if they saw missing persons

17 / 50

The blind spot behind the bus could extend to how many feet?

A) 100

B) 200

C) 400

18 / 50

When checking the handicap lift the things you should look for are

A) Leaking, damaged, or missing parts and make sure that the lift is 25% retracted and latched

B) Leaking, damaged, or missing parts and make sure that the lift is fully retracted and latched

C) Leaking, damaged, or missing wheelchairs

19 / 50

What color are all school buses painted?

A) Florescent yellow

B) National school bus yellow

C) Orange yellow

20 / 50

You should adjust all the outside left and right side CROSSOVER mirrors to see:

A) The right and left front tires touching the ground

B) 200 feet behind the bus

C) The entire area to the rear of the mirror along the side of the bus

21 / 50

Why is understanding the loading and unloading procedures so critical?

A) Because more students are killed while getting on and off a school bus each year

B) Because only high school students understand how to cross the road

C) Because motorists ignore students walking to school

22 / 50

You should adjust all the outside left and right side flat mirrors to see:

A) The rear right and left tires touching the ground

B) 200 feet behind the bus

C) The entire area to the rear of the mirror along the side

23 / 50

Which of the following statements about bus evacuation is true?

A) If time allows, walk through the bus and close all windows

B) If time allows, back up to the stop before evacuating the bus

C) If time allows, notify the dispatcher about evacuation location, conditions, and type of assistance needed

24 / 50

What school bus accidents should be reported?

A) All

B) Only if there is injury

C) N o n e

25 / 50

During loading or unloading procedure the students should cross the road in front of the bus with in feet.

A) 10

B) 6

C) 8

26 / 50

Out of all spaces around your bus the most important one is:

A) To the front

B) On the side

C) To the rear

27 / 50

When should you activate your alternating flashing amber warning lights?

A) None of the above

B) 100 to 300 feet before school bus stop

C) 300 to 500 feet before school bus stop

28 / 50

At a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

A) No closer than 15 feet and no further than 30 feet, where you have the best view of the tracks

B) No closer than 10 feet and no further than 40 feet, where you have the best view of the tracks

C) No closer than 15 feet and no further than 50 feet, where you have the best view of the tracks

29 / 50

Overhead inside mirror is used to

A) See the blind spot immediately behind the bus

B) Monitor traffic that approaches and enters the blind spot area

C) See all of the students

30 / 50

The golden rule for school buses when approaching and crossing railroad tracks is:

A) Stop, look, and turn on the radio

B) Stop, look, and listen

C) Stop, go, and stop

31 / 50

The CDL main al indicates the last step on picking up students at the bus stop is as follows:

A) Open the service door just enough to activate the alternating red light when traffic is in a safe distance from the bus

B) Place transmission in park or neutral and set parking brake

C) Make a final check to confirm all traffic stops before opening the bus door and signaling students to approach

32 / 50

Why is the proper adjustment and use of all mirrors so vital to the safe operation of the school bus?

A) In order to observe the danger zones around the bus

B) In order to observe the danger zones around the bus and look for the students, traffic, and other objects in this area

C) In order to clear up blind spots around the bus

33 / 50

If the gate comes down as you start to cross the railroad highway crossing you should:

A) Drive through the gate

B) Back up until you are completely off the tracks

C) Stop immediately and call your dispatcher

34 / 50

Which of the following is a recommended procedure when unloading the students?

A) Position yourself outside of the bus in front of crossover mirror to supervise unloading

B) Put the transmission in neutral gear and put on the brakes

C) Tell students to remain seated until they are told to exit

35 / 50

The school bus driver may be the only contact person from school system some parents meet. The percentage of such parents is as high as:

A) 50%

B) 65%

C) 85%

36 / 50

Which of the following is a reason to evacuate the school bus?

A) The bus is stalled on a shoulder of a 4-lane divided highway and it is getting hot inside

B) The bus ABS warning light is ON

C) The bus is stalled on a rail road track, but there is no train in sight

37 / 50

Before crossing any highway-rail crossings in a school bus, be sure the bus has enough containment to completely clear the railroad tracks. As a general rule, how much space is considered an acceptable amount of containment for a school bus?

A) The length of the bus plus 15 feet

B) The length of the bus plus 25 feet

C) The length of the bus plus 10 feet

38 / 50

Passive railway crossing:

A) The type of crossing on which the driver does not have to stop

B) The type of crossing, which does not have any type of traffic control device

C) The type of crossing with no crossbuck sign

39 / 50

What is the NEXT step after securing the bus when you have an unruly child on board?

A) Call school administrator or the police to remove the student

B) Unload the student at the next stop

C) Stand up and speak respectfully to the offender, if a change of setting is needed, have the student move to a seat near you

40 / 50

If students must cross the street, when they get off the bus, which statement is true?

A) If the bus is equipped with the crossing gate, the danger of running over the child is eliminated

B) When the driver signals that it is safe to proceed, the students must run across the street to reduce the exposure to danger

C) For crossing, students should make eye contact with the bus driver and wait for the driver's signal that it is safe to proceed

41 / 50

Immediately after stopping you should:

A) Open entrance door slightly to activate the stop arm and overhead red warning lights

B) Tell the children to stand back until you are ready for them to load

C) Get the children onto the bus as quickly as possible

42 / 50

When stopping on a railroad crossing the driver must stop no closer than:

A) 10 feet

B) 20 feet

C) 15 feet

43 / 50

Which following statement best explains what to do when a school bus is stalled on a track at a railroad crossing?-

A) Driver should evacuate the bus and move students away from the tracks on the angle toward the oncoming train

B) Driver should keep everyone quiet and call dispatcher for directions

C) Driver should evacuate the bus and have students in a group directly behind the bus

44 / 50

Which of the following will calf-um that you are driving with anti-lock brakes?

A) Red indicator lamp on the brake cylinder

B) Yellow ABS malfunction lamp on the instrument panel will light when you start the engine

C) The certification on the driver side door

45 / 50

Check that the entry door is not damaged and:

A) Operates smoothly and closes securely from the remote location

B) Operates smoothly and closes securely from the inside

C) Operates smoothly and closes securely from the outside

46 / 50

When approaching a school bus stop you should activate your overhead amber light how far from the bus stop?

A) 300 feet

B) 100 feet

C) 200 feet

47 / 50

What is the safest way to stop unruly behavior on the bus?

A) Keep checking the rear view mirror so you can see what's happened and report to the principa

B) Have the unruly students move to the front of the bus

C) Pull off the road in a safe location, secure the bus, stand up, and tell the students what behavior you expect of them

48 / 50

When approaching the stop, you should activate alternating flashing amber lights within how many feet before the stop?

A) 100

B) 200

C) 300

49 / 50

How should you brake in a bus with ABS brakes?

A) Apply the brakes and back off the brakes prior to the final brake to stop

B) Apply the brakes as usual

C) Pump the brakes in an emergency situation

50 / 50

What is a passive Railroad Crossing?

A) Railroad Crossing that does not have any type of traffic control device

B) Railroad Crossing that has a traffic control device installed at the crossing to regulate traffic

C) Railroad Crossing that is no longer in use

Your score is

The average score is 82%

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