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200+ Free PA CDL School Bus Test Practice Questions
Pennsylvania CDL School Bus Endorsement Test practice questions are available now; exam metadata is being verified.
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2026 Statistics
Key Facts: PA CDL School Bus Test Exam
80%
Passing score
49 CFR 383.135
not-published
Official S endorsement question count
PennDOT cited sources
not-published
Official S endorsement knowledge-test time limit
PennDOT cited sources
20 hours
Initial PA school-bus-specific training
PennDOT PUB 117 / school bus driver service page
$21.50
Published upgrade commercial class or endorsement fee
PennDOT Payments and Fees
Use PennDOT PUB 117, PennDOT PUB 223, Pennsylvania's school bus stopping law materials, and FMCSA Part 383 as the main study sources. Pennsylvania school bus drivers need appropriate P and S endorsement authority, 20 hours of initial school-bus-specific training, a road test with simulated student discharge and railroad crossing, and four-year recertification. FMCSA sets an 80% CDL knowledge-test passing standard. PennDOT does not publish a fixed public S endorsement question count or knowledge-test time limit in the cited sources.
Sample PA CDL School Bus Test Practice Questions
Try these sample questions to test your PA CDL School Bus Test exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.
1Which endorsements does a Pennsylvania CDL driver normally need to operate a school bus carrying students?
A.Passenger (P) and School Bus (S)
B.School Bus (S) only
C.Passenger (P) only
D.Tank Vehicle (N) and School Bus (S)
Explanation: PennDOT's CDL manual lists school bus operation under both P and S endorsement study requirements. Federal school bus endorsement rules also require the applicant to qualify for the passenger endorsement before receiving the S endorsement.
2Under PennDOT's CDL manual, the School Bus (S) endorsement is required for a school bus designed to carry how many people?
A.11 passengers or more, including the driver
B.Only more than 25 students, excluding the driver
C.16 passengers or more only when the route crosses state lines
D.Any bus with air brakes, regardless of passenger use
Explanation: PennDOT lists the S endorsement for a school bus designed to carry 11 passengers or more, including the driver. Air brakes, interstate operation, and larger seating thresholds are separate licensing issues.
3PennDOT's CDL manual says the Passenger (P) endorsement is required to drive a vehicle designed to carry how many passengers?
A.16 passengers or more, including the driver
B.11 passengers or more, excluding the driver
C.Only buses with standing passengers
D.Only buses used by a public school district
Explanation: PennDOT describes the P endorsement as required for vehicles designed to carry 16 passengers or more, including the driver. A school bus applicant must still address the separate S endorsement requirements.
4What minimum age does PennDOT publish for becoming a Pennsylvania school bus driver?
A.18 years old
B.16 years old with school district approval
C.19 years old for all routes
D.21 years old for every Pennsylvania school bus route
Explanation: PennDOT's school bus driver service page states that an applicant must be at least 18 years of age. Separate federal and state rules may affect interstate commercial operation, but the published Pennsylvania school bus driver minimum is 18.
5How much initial Pennsylvania school-bus-specific instruction does PennDOT require for a new school bus endorsement applicant?
A.20 hours total, including at least 14 classroom hours and 6 in-bus hours
B.10 hours total, including 7 classroom hours and 3 in-bus hours
C.6 classroom hours only
D.No specific instruction if the applicant already has a CDL
Explanation: PennDOT states that initial school bus endorsement training requires a minimum of 20 hours: at least 14 hours of classroom instruction and 6 hours of in-bus training. The shorter 10-hour requirement applies to four-year recertification.
6How often must a Pennsylvania school bus driver maintain the school bus endorsement through refresher training and testing?
A.Every four years
B.Every year
C.Only when changing employers
D.Only when moving to a larger bus class
Explanation: PennDOT states that every four years a school bus driver must complete refresher training, pass the school bus knowledge test, and pass a skills evaluation. The refresher training minimum is 10 hours, including 7 classroom hours and 3 in-bus hours.
7What minimum passing score does FMCSA require on each CDL knowledge test?
A.80 percent correct
B.70 percent correct
C.75 percent correct
D.100 percent correct
Explanation: 49 CFR 383.135 requires a driver applicant to correctly answer at least 80 percent of the questions on each CDL knowledge test. PennDOT does not publish a different public passing score for the Pennsylvania S endorsement knowledge test in the cited materials.
8In the Pennsylvania school bus manual, what is the danger zone around a school bus?
A.The 10-foot area immediately around the bus where students are at greatest risk
B.Only the driver's blind spot inside the bus
C.Only the area behind the rear bumper
D.Only the roadway lane beside the stop arm
Explanation: PennDOT's School Bus Driver's Manual describes the 10-foot area immediately around the bus as the danger zone. Students entering or leaving the bus are at greatest risk of being struck there by traffic or by the bus itself.
9At a Pennsylvania approved bus stop, where should students normally wait before boarding?
A.At least 10 feet from the edge of the highway
B.At the front bumper so the driver can see them
C.Beside the service door as the bus approaches
D.In the roadway shoulder next to the stop sign
Explanation: PennDOT's loading procedures say students should wait at a specific designated place at least 10 feet from the edge of the highway. The driver may need to remind students to stay back from the bus as it approaches.
10When approaching a Pennsylvania school bus loading zone, when should you activate the amber warning lights under normal procedures?
A.When the loading zone is about 150 to 300 feet away
B.Only after the bus is fully stopped
C.Only after the red lights have already been activated
D.At least one mile before every stop
Explanation: PennDOT's loading and unloading procedures call for activating the amber flashing lights when the loading zone is 150 to 300 feet away. The goal is to warn traffic before the bus stops.
About the PA CDL School Bus Test Practice Questions
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