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Key Facts: SC CDL School Bus Exam

$2.00

Fee per knowledge test

SCDMV Commercial Fees

80%

Minimum passing score

49 CFR 383.135

3 parts

Vehicle inspection, basic control, and on-road skills test

SCDMV CDL Testing

15-50 ft

Railroad grade crossing stop distance

S.C. Code Ann. § 59-67-230

SCDMV administers a School Bus knowledge examination and requires at least 80% to pass; the agency does not publish a question count or time limit. A first-time applicant must also qualify for the Passenger endorsement, complete federal ELDT, hold an SC CLP for 14 days, pass skills tests in a representative school bus, and satisfy the separate current SCDE certification requirements for the job.

Sample SC CDL School Bus Practice Questions

Try these sample questions to review concepts for the SC CDL School Bus exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 184+ question experience with AI tutoring.

1Where are the official danger zones around a commercial school bus located?
A.Extending up to 30 feet directly in front of the front bumper, and 10 feet on the left side, right side, and rear of the bus
B.Extending 5 feet around all four sides of the vehicle body
C.Only directly behind the rear emergency door up to 50 feet
D.Only along the right curb side where students enter and exit
Explanation: According to Section 10 of the South Carolina CDL Manual and national school bus standards, danger zones extend up to 30 feet in front of the front bumper (with the first 10 feet being the most dangerous), and 10 feet on the left side, right side, and rear of the bus.
2Which area around a school bus is considered the most dangerous danger zone of all?
A.Directly in front of the front bumper extending outward 10 feet
B.Directly beneath the left side passenger windows
C.The roof area around the emergency escape hatches
D.The left rear dual wheel assembly
Explanation: The area directly in front of the front bumper extending out 10 feet is the most dangerous zone because small children can walk or bend down below the driver's direct line of sight.
3What is the primary function of the front-mounted crossover mirror system on a school bus?
A.To see the danger zone directly in front of the bus and along the left and right front corners
B.To read road signs 500 feet ahead of the vehicle
C.To check tire pressure on the front steer axle while moving
D.To eliminate the need for convex and flat side mirrors
Explanation: Crossover mirrors (often convex or crossview) are mounted on the front fenders to allow the seated driver to view the critical danger area immediately in front of the bumper and around the front wheels.
4According to Section 10, which complete view confirms that the outside flat mirrors on a school bus are properly adjusted?
A.200 feet or 4 bus lengths behind the bus, along the sides of the bus, and the rear tires touching the ground
B.Only the sky and distant tree canopies to monitor overhead clearances
C.The entire interior student seating rows from front to back
D.The front bumper and crosswalk directly ahead
Explanation: Flat side mirrors should be adjusted so the driver sees down the side of the bus, the rear tires touching the pavement, and at least 200 feet (or about 4 bus lengths) behind the vehicle.
5What is an inherent visual distortion characteristic of outside convex side mirrors?
A.Objects appear smaller and farther away than they actually are
B.Objects appear three times larger than their actual physical dimensions
C.Objects appear upside down when viewed through the lower mirror edge
D.Colors are inverted during daylight operations
Explanation: Convex mirrors provide a wide field of view, but their curved surface makes objects and trailing traffic appear significantly smaller and farther away than their true distance.
6How should a school bus driver adjust the large interior rearview mirror?
A.To see all students in their seats from the front row to the rear emergency exit door, and the roadway directly behind the bus
B.Tilted downward to inspect floor sweepings and step well treads
C.Aimed strictly at the driver's own face to monitor fatigue
D.Turned completely toward the right service door to watch fare transactions
Explanation: The interior rearview mirror must be positioned to monitor passenger behavior across all seating rows from front to back, as well as the view through the rear window.
7Under South Carolina Code Ann. § 56-5-2770, when must motorists traveling in BOTH directions stop for a school bus?
A.On any two-lane highway when the school bus is displaying flashing red lights or an extended stop arm
B.Only when driving on an interstate highway during active snowstorms
C.Only when the school bus is stopped inside an unpaved private driveway
D.Only when an adult school crossing guard is physically waving a stop sign
Explanation: S.C. Code Ann. § 56-5-2770 requires traffic moving in both directions on a two-lane road to come to a complete stop when a school bus displays flashing red lights or has its stop arm extended.
8Under South Carolina Code Ann. § 56-5-2770, what is the rule for motorists traveling in the OPPOSITE direction of a stopped school bus on a multi-lane highway?
A.Motorists traveling in the opposite direction on a highway with four or more lanes (at least two lanes in each direction) are NOT required to stop
B.Motorists in all lanes in both directions must always stop on all highways regardless of lane count
C.Motorists in the opposite direction must accelerate to 55 mph to clear the zone quickly
D.Motorists must stop only if there is a concrete median barrier separating the directions
Explanation: Under S.C. Code Ann. § 56-5-2770, motorists meeting a school bus from the opposite direction on a multi-lane highway (defined as 4 or more lanes with at least 2 in each direction) are not required to stop. Traffic traveling in the same direction behind the bus must always stop.
9What is the minimum distance before a designated bus stop that a school bus driver should activate the alternating amber warning lights?
A.At least 200 feet or approximately 5 to 10 seconds before the stop, unless state law specifies otherwise
B.At least 20 feet before the stop
C.Exactly 50 feet before reaching the bus stop sign
D.Only after the bus has come to a complete standstill at the curb
Explanation: Section 10 of the South Carolina CDL Manual says to activate alternating amber warning lights at least 200 feet or approximately 5 to 10 seconds before the stop, if the bus is equipped with them, or as state law directs. The manual does not state a separate 300-to-500-foot rural rule.
10When approaching a student pickup or drop-off location, where should the driver bring the school bus to a stop?
A.At least 10 feet away from waiting students, keeping them in plain sight at all times
B.Right against the students' legs so they do not have to walk across pavement
C.Three feet past the students so they approach the rear emergency door
D.Directly in the center of the opposing traffic lane
Explanation: The driver must stop at least 10 feet before the waiting students, ensuring students remain in clear view and preventing students from rushing forward while the bus is still rolling.

About the SC CDL School Bus Exam

The South Carolina CDL School Bus endorsement knowledge test is administered by the SCDMV for drivers operating school buses transporting pre-primary, primary, or secondary students. It covers Section 10 of the South Carolina Commercial Driver License Manual, including danger zones, mirrors, student loading and unloading, South Carolina school bus passing laws (S.C. Code Ann. § 56-5-2770), emergency evacuation, railroad crossings (S.C. Code Ann. § 59-67-230), and student behavior management. OpenExamPrep provides independent English-language four-option practice for these topics, informed by the manual, SCDMV rules, and South Carolina law. This bank is not an official translation, format simulation, or substitute for state-certified school bus driver training.

Exam sponsor: South Carolina Department of Motor Vehicles (SCDMV). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

An SCDMV knowledge examination, available in written or oral form, based on Sections 2, 4, and 10 of the South Carolina Commercial Driver License Manual. Applicants must qualify for the Passenger (P) endorsement and pass the Air Brakes test if driving an air-braked bus. A first-time School Bus (S) endorsement applicant must complete federal ELDT, hold an SC CLP for at least 14 days, and pass vehicle-inspection, basic-control, and on-road skills tests in a representative school bus. South Carolina school bus employment also has a separate SCDE driver-certification process whose initial and renewal training varies by certificate category and current requirements.

Time Limit

Not published

Passing Score

80%

Exam / Certification Fees

$2.00 per knowledge test attempt; the $15.00 CDL application fee is waived for public school bus drivers. Depending on the transaction, SCDMV also charges $2.50 for a CLP and $25.00 for an eight-year CDL; a repeat skills test after a failed attempt is $25.00.

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Core Section 10 area

Danger Zones and Mirror Systems

Danger zones extending up to 30 feet in front and 10 feet on sides and rear of the bus, crossover mirrors, convex mirrors, and flat mirror adjustment.

Core Section 10 area

Loading, Unloading, and Student Safety

Approaching stops, amber and red flashing lights, stop arm deployment, S.C. Code Ann. § 56-5-2770 compliance, safe student crossing procedures, and dropped object hazards.

Core Section 10 area

Emergency Evacuation and Procedures

Mandatory evacuation situations (fire, imminent collision, fuel leak), securing the vehicle, orderly exit routes, and student helper assignments.

Core Section 10 area

Railroad Grade Crossings and Driving Safety

Mandatory stops 15 to 50 feet from the nearest rail under S.C. Code Ann. § 59-67-230, silencing interior noise, opening the service door and driver's window, and antilock braking systems (ABS).

State/federal licensing area

Student Management and SCDE Certification

Managing student conduct, handling serious problems only after stopping safely, SCDE school bus driver certificate categories, and category-specific training and renewal requirements.

Preparing for the SC CDL School Bus Exam

What You Need to Know

  • Passing score: 80%
  • Assessment: An SCDMV knowledge examination, available in written or oral form, based on Sections 2, 4, and 10 of the South Carolina Commercial Driver License Manual. Applicants must qualify for the Passenger (P) endorsement and pass the Air Brakes test if driving an air-braked bus. A first-time School Bus (S) endorsement applicant must complete federal ELDT, hold an SC CLP for at least 14 days, and pass vehicle-inspection, basic-control, and on-road skills tests in a representative school bus. South Carolina school bus employment also has a separate SCDE driver-certification process whose initial and renewal training varies by certificate category and current requirements.
  • Time limit: Not published
  • Exam / certification fees: $2.00 per knowledge test attempt; the $15.00 CDL application fee is waived for public school bus drivers. Depending on the transaction, SCDMV also charges $2.50 for a CLP and $25.00 for an eight-year CDL; a repeat skills test after a failed attempt is $25.00. Official sources

Using Our Practice Resources

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SC CDL School Bus: Suggested Study Strategy

1Review Section 10 (School Buses) of the South Carolina Commercial Driver License Manual thoroughly.
2Understand the mirror adjustment guidelines: crossover mirrors allow viewing the dangerous area in front of the bus, while convex and flat mirrors monitor side traffic and student entry/exit areas.
3Memorize S.C. Code Ann. § 56-5-2770: motorists behind the bus on any road must stop, but opposing traffic on multi-lane highways with four or more lanes is not required to stop.

Frequently Asked Questions

How many questions are on the South Carolina CDL School Bus test?

SCDMV and the current South Carolina CDL Manual do not publish a question count or time limit. The manual requires a score of at least 80% on each required knowledge examination.

What is the South Carolina law regarding motorists passing a stopped school bus?

Under S.C. Code Ann. § 56-5-2770, traffic traveling in both directions must stop for a stopped school bus displaying flashing red lights or an extended stop arm on two-lane roads. On multi-lane highways (four or more lanes with at least two lanes in each direction), traffic moving in the opposite direction is not required to stop, but traffic traveling in the same direction must always stop.

What are the South Carolina Department of Education (SCDE) training requirements for school bus drivers?

Current S.C. Regulation 43-80 ties initial training to the hours required by FMCSA or SCDE for the applicable license and certificate. Renewal training depends on the SCDE certificate category: the current regulation assigns different annual minimums rather than one universal hour total.

Do I need the Passenger endorsement to get a School Bus endorsement in South Carolina?

Yes. Under federal FMCSA standards and SCDMV regulations, applicants must qualify for and hold both the Passenger (P) and School Bus (S) endorsements to operate a school bus.

What is the procedure for school buses at railroad crossings in South Carolina?

S.C. Code Ann. § 59-67-230 requires a school bus to stop between 15 and 50 feet from the nearest rail and determine that it is safe before crossing. The CDL Manual also directs the driver to use hazard lights, silence interior noise, open the service door and driver's window, look and listen, and cross in a low gear without shifting.