25 realistic School Bus practice questions for Pennsylvania CDL applicants. Required for: Drivers operating a school bus. Official test: 20 questions, 16 correct to pass.
Question 1 of 25 · Inspection
What is "post-trip inspection"?
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A.
An inspection done after the trip ends to identify defects and any students left on board
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B.
A student survey
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C.
A fuel check
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D.
A weekly maintenance
Correct answer: A.
Walk through the bus after every run to find defects and check for students.
Question 2 of 25 · CDL Rules
School bus drivers must:
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A.
Have a CDL with School Bus and Passenger endorsements
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B.
Pass a background check
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C.
Have a current Medical Examiner's Certificate
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D.
All of the above
Correct answer: D.
School bus drivers need both S and P endorsements plus background and medical checks.
Question 3 of 25 · Adverse Conditions
What's the safest way to handle a school bus in fog?
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A.
Use low beams and slow down
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B.
Use high beams
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C.
Speed up to escape fog
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D.
Stop on the highway
Correct answer: A.
Low beams and slower speeds; high beams reflect off fog.
Question 4 of 25 · Loading
What's the maximum number of students that can be in a school bus?
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A.
Determined by the bus's seating capacity
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B.
Always 50
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C.
No limit
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D.
Always 75
Correct answer: A.
Capacity depends on the bus model and seating configuration.
Question 5 of 25 · Mountain Driving
What's the safest way to handle a school bus on a steep downgrade?
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A.
Use lower gears and engine braking
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B.
Coast in neutral
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C.
Brake hard
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D.
Use parking brake
Correct answer: A.
Lower gears and engine braking keep speed under control.
Question 6 of 25 · Emergencies
What's the role of emergency exits on a school bus?
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A.
To provide alternate evacuation routes in emergencies
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B.
For luggage
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C.
For ventilation
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D.
For maintenance
Correct answer: A.
Emergency exits give children additional ways out in a crash or fire.
Question 7 of 25 · Adverse Conditions
What's the safest way to handle a school bus on icy roads?
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A.
Slow down and increase following distance
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B.
Drive at posted speed
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C.
Use chains where appropriate
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D.
All of the above
Correct answer: D.
Reduced speed, more space, and chains where required minimize ice risk.
Question 8 of 25 · Loading
What's the maximum number of standees allowed on a school bus?
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A.
Generally not allowed
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B.
Same as seated passengers
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C.
Always 10
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D.
No limit
Correct answer: A.
Standees are generally not allowed on school buses for safety.
Question 9 of 25 · Loading
How should drivers handle the bus during student loading and unloading?
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A.
Activate warning lights and stop arm
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B.
Wait until all students are clear before moving
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C.
Use mirrors to monitor students
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D.
All of the above
Correct answer: D.
Warning devices, careful waiting, and mirror checks all protect students.
Question 10 of 25 · Danger Zone
What is the "danger zone" around a school bus?
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A.
10 feet around the bus where children are at risk of being hit
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B.
The driver's seat area
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C.
The aisle
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D.
The cargo area
Correct answer: A.
The danger zone is the 10-foot perimeter where children may not be visible to the driver.
Question 11 of 25 · Emergencies
How often should school bus drivers practice evacuation procedures?
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A.
Regularly, as required by state regulations
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B.
Once a year
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C.
Never
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D.
Only when an emergency happens
Correct answer: A.
Most states require regular evacuation drills with students.
Question 12 of 25 · Inspection
What's the importance of pre-trip inspection on a school bus?
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A.
To identify defects before driving children
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B.
To comply with regulations
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C.
To ensure student safety
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D.
All of the above
Correct answer: D.
Pre-trips identify defects, comply with rules, and protect children.
Question 13 of 25 · Mirrors
How should drivers handle blind spots?
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A.
Use mirrors and check before moving
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B.
Ignore blind spots
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C.
Drive in the middle lane
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D.
Use only the driver's side mirror
Correct answer: A.
Mirror checks are critical, especially around children entering or exiting.
Question 14 of 25 · Emergencies
What's the proper way to handle a fire on a school bus?
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A.
Stop in a safe area, evacuate students, and call for help
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B.
Continue to school
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C.
Tell students to put out the fire
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D.
Drive faster
Correct answer: A.
Stop, evacuate quickly, and call emergency services.
Question 15 of 25 · Emergencies
How should drivers handle a student becoming ill?
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A.
Stop in a safe area and call for medical help
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B.
Continue to school
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C.
Tell the student to get off
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D.
Ignore the student
Correct answer: A.
Stop safely and contact medical help if needed.
Question 16 of 25 · Mirrors
What is the importance of using mirrors on a school bus?
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A.
To monitor blind spots and ensure student safety
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B.
To check personal appearance
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C.
For decoration
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D.
To save fuel
Correct answer: A.
Mirrors are critical for monitoring children entering and leaving the bus.
Question 17 of 25 · Operation
What's the role of the school bus driver in handling disruptive students?
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A.
Stop in a safe area and address the disturbance, contacting authorities if needed
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B.
Ignore them
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C.
Confront students
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D.
Drive faster
Correct answer: A.
Address disturbances safely; involve school authorities or police as needed.
Question 18 of 25 · Boarding
When using a wheelchair lift, drivers should:
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A.
Follow proper procedures and ensure the wheelchair is secured
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B.
Use the lift quickly
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C.
Refuse to transport wheelchairs
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D.
Skip securing the wheelchair
Correct answer: A.
Use the lift correctly and secure the wheelchair before moving.
Question 19 of 25 · Emergencies
What is "evacuation procedure"?
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A.
Steps to safely remove students from the bus in an emergency
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B.
A type of bus stop
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C.
A maintenance task
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D.
A driving technique
Correct answer: A.
Evacuation procedures move students out of the bus quickly and safely in emergencies.
Question 20 of 25 · Emergencies
How should drivers handle a bus breakdown?
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A.
Move to a safe area, set warning devices, and call for help
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B.
Continue driving
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C.
Tell students to walk
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D.
Leave the bus
Correct answer: A.
Pull off safely, set warning triangles, and contact dispatch and emergency services.
Question 21 of 25 · Driver Wellness
What's the safest way to handle a school bus on a long trip?
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A.
Take regular breaks and stay alert
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B.
Drive without breaks
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C.
Use stimulants
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D.
Sleep while driving
Correct answer: A.
Take regular breaks; fatigue is the enemy of safety.
Question 22 of 25 · Emergency Equipment
What's the importance of using safety equipment?
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A.
Protects driver and students
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B.
Required by law
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C.
Reduces injuries in emergencies
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D.
All of the above
Correct answer: D.
Safety equipment protects everyone, meets legal requirements, and reduces injury.
Question 23 of 25 · Loading
What's the proper procedure for loading students?
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A.
Activate flashing lights and stop arm, then allow students to board
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B.
Drive forward to greet students
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C.
Honk to alert students
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D.
Open the door immediately
Correct answer: A.
Activate warning lights and stop arm before opening the door.
Question 24 of 25 · Inspection
What's the importance of regular maintenance for a school bus?
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A.
Prevents breakdowns
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B.
Ensures safety for students
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C.
Reduces costs in the long run
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D.
All of the above
Correct answer: D.
Maintenance keeps the bus safe, reliable, and cost-effective.
Question 25 of 25 · Rail Crossings
What's the safest way to handle a school bus at a railroad crossing?
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A.
Stop within 15-50 feet of nearest rail, look and listen, and turn off any noise-producing equipment
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B.
Speed up to clear quickly
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C.
Stop on the tracks
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D.
Drive across normally
Correct answer: A.
Stop, open windows or door if helpful, listen, and check both directions.
About the School Bus Test
The School Bus test covers danger zones and use of mirrors, loading and unloading, emergency exit and evacuation, railroad-highway grade crossings, student management, antilock brake systems, and special safety considerations. School bus drivers must also pass the Passenger Transport test.
The Pennsylvania Department of Transportation — Driver Services administers this knowledge test as part of its commercial driver license program. To earn the School Bus Endorsement (S) on your Pennsylvania CDL, you need to score at least 16 out of 20 on the official version.
Topics covered on this practice test
- Emergencies: 6 questions
- Loading: 4 questions
- Inspection: 3 questions
- Adverse Conditions: 2 questions
- Mirrors: 2 questions
- CDL Rules: 1 question
- Mountain Driving: 1 question
- Danger Zone: 1 question
- Operation: 1 question
- Boarding: 1 question
- Driver Wellness: 1 question
- Emergency Equipment: 1 question
- Rail Crossings: 1 question
How to use this practice test
- Read each question carefully. CDL questions are written precisely — small wording differences matter.
- Click "Show Answers & Explanations" only after answering every question. Don't peek mid-test.
- Read the explanation for every question, even ones you got right. The reasoning is more important than the answer.
- Repeat the test until you score 100%. The questions are deterministic per state, so you can track your improvement over multiple sessions.
- Move on to the other endorsement tests for Pennsylvania until you're ready for the official exam.
Tips specific to the School Bus test
School Bus drivers need both the Passenger and School Bus endorsements. Most school bus questions cover the danger zone, mirror checks, loading and unloading procedures, evacuation, railroad crossings, and student behavior management. Topics like the brake-door interlock and post-trip child-check sweeps appear frequently.