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Exam Review

Key Facts: Texas CDL School Bus Exam

80%

Texas and federal CDL knowledge-test passing score

Texas CMV Driver Handbook and 49 CFR 383.135

Not published

Official TX School Bus endorsement question count

Texas DPS public CDL materials

180 days

Original Texas CLP validity listed by DPS

Texas DPS Driver License Fees

$25

Original Texas CLP fee

Texas DPS Driver License Fees

15-50 ft

Normal school bus stopping range before railroad crossings

Texas CMV Driver Handbook school bus material

Study the Texas CMV Driver Handbook school bus material, Texas DPS endorsement and restriction guidance, and FMCSA 49 CFR 383.123. Texas school bus applicants need S endorsement authority, Passenger qualification, applicable ELDT before the S skills test, and proper vehicle/equipment testing to avoid restrictions. Texas uses an 80% CDL knowledge-test passing standard and does not publish a fixed public S endorsement question count or time limit in the cited sources.

Sample Texas CDL School Bus Practice Questions

Try these sample questions to review concepts for the Texas CDL School Bus exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.

1Which endorsements should a Texas CDL driver normally hold to operate a school bus that transports students?
A.School Bus (S) and Passenger (P) endorsements
B.School Bus (S) endorsement only
C.Passenger (P) endorsement only
D.Hazardous Materials (H) and Passenger (P) endorsements
Explanation: Texas DPS lists S for school bus operation and P for passenger vehicles. Federal school bus endorsement rules also require the applicant to qualify for the Passenger endorsement.
2What does the Texas DPS endorsement chart say the S endorsement authorizes?
A.Operation of any tank vehicle
B.Operation of a school bus
C.Transporting hazardous materials
D.Towing double or triple trailers
Explanation: Texas DPS describes endorsement code S as authorizing operation of a school bus. Tank, hazardous materials, and doubles/triples are separate endorsements.
3Why is the Passenger (P) endorsement important for a Texas school bus driver?
A.It replaces the CDL skills test
B.It is only for taxis and limousines
C.A school bus transports passengers and federal S rules require P qualification
D.It authorizes hazardous materials in a bus
Explanation: School bus authority is tied to both school bus and passenger qualification. The P endorsement does not replace skills testing or hazmat rules.
4Before receiving a School Bus (S) endorsement under federal rules, what must an applicant qualify for?
A.The Tank Vehicle (N) endorsement
B.A motorcycle endorsement
C.Only a vision screening
D.The Passenger (P) endorsement
Explanation: 49 CFR 383.123 requires school bus applicants to qualify for the Passenger endorsement. Other endorsements or screenings do not substitute for P qualification.
5Which tests are required for a federal School Bus (S) endorsement?
A.Both a knowledge test and a skills test
B.Only a knowledge test
C.Only an air brake test
D.No testing after a driver has any CDL
Explanation: Federal rules require school bus endorsement applicants to pass school-bus-specific knowledge and skills testing. Existing CDL status does not remove those requirements.
6What minimum score does FMCSA require on CDL knowledge tests, including school bus knowledge tests?
A.At least 60 percent correct
B.At least 80 percent correct
C.Exactly 90 percent correct
D.A score set only by the employer
Explanation: 49 CFR 383.135 sets the CDL knowledge-test passing score at at least 80 percent correct. Employers cannot lower the federal passing standard.
7Which Texas DPS study source is the primary manual for school bus endorsement knowledge?
A.The motorcycle operator manual
B.A private carrier route sheet only
C.The Texas Commercial Motor Vehicle Drivers Handbook school bus section
D.Only the vehicle registration receipt
Explanation: The Texas CMV Driver Handbook contains the CDL school bus material applicants should study. Route sheets and unrelated manuals do not replace the official CDL handbook.
8In school bus operations, what is a danger zone?
A.Only the driver seat area
B.Only the cargo compartment
C.Any lane marked for commercial trucks
D.An area around the bus where children can be hard for the driver to see
Explanation: Danger zones are blind or high-risk areas around the bus where students may be hidden from view. They are not limited to the interior or truck lanes.
9Why must a Texas school bus driver check mirrors before moving after a stop?
A.To confirm students and traffic are clear of the bus danger zones
B.To avoid using turn signals
C.To check the fuel level
D.To decide whether the stop arm is legally optional
Explanation: Mirrors help confirm that students, pedestrians, and traffic are clear before the bus moves. They do not replace signals or vehicle gauges.
10Which mirrors are especially important for seeing the area immediately in front of a school bus?
A.The inside student mirror only
B.Crossover mirrors
C.A rear cargo mirror only
D.A sun visor mirror
Explanation: Crossover mirrors help the driver see the front danger zone near the bumper. The inside mirror monitors students, not the exterior front blind area.

About the Texas CDL School Bus Exam

The Texas CDL School Bus Endorsement Test covers the specialized knowledge and skills needed to transport students safely in a school bus. Texas DPS lists the S endorsement for school bus operation and the P endorsement for passenger vehicles, while federal rules require Passenger qualification, school-bus-specific knowledge, and a school bus skills test. Core topics include danger zones, mirror systems, safe loading and unloading, stop-arm and warning-light procedures, emergency exits and evacuation, railroad-highway grade crossings, student management, post-trip checks, air brakes, and Texas DPS endorsement logistics.

Exam sponsor: Texas Department of Public Safety (DPS), under FMCSA CDL standards. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Texas DPS-administered CDL knowledge testing for required CDL sections, Passenger qualification, and School Bus when required, followed by FMCSA-required school bus skills testing in a representative school bus for the applicable vehicle group.

Time Limit

not-published; Texas DPS and FMCSA do not publish a separate public School Bus endorsement knowledge-test time limit in the cited sources.

Passing Score

80% or higher on each CDL knowledge-exam section

Exam / Certification Fees

$25 original CLP; $97 standard new CDL for ages 18 to 84; $11 replacement CDL/CLP transaction category including tests to add or remove endorsements or restrictions; no separate School Bus-only first-attempt fee published by Texas DPS in the cited sources.

Exam sponsor website

Reported exam pass rate: Not published. Texas DPS and FMCSA do not publish an official Texas CDL School Bus endorsement pass rate. 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.

Licensing

Texas School Bus Endorsement Rules

Texas DPS S and P endorsement scope, P33 no-passengers-in-CMV-bus restriction, CLP validity, ELDT, fees, single-license rules, representative vehicle testing, air brake restrictions, and the 80% passing standard.

High

Danger Zones and Mirror Systems

Front, side, and rear danger zones; crossover, flat, convex, and inside mirrors; student counting; blind spots; mirror distortion; and what to do when a student disappears from view.

High

Loading, Unloading, and Stop Safety

Safe stop selection, warning lights and stop arm, checking traffic before opening the door, student crossing signals, dropped objects, handrail safety, motorist violations, and controlled departure.

Medium

Railroad-Highway Grade Crossings

Stopping 15 to 50 feet from the rail, silencing passengers, listening and looking, choosing gear before crossing, checking storage space, handling gates, multiple tracks, and evacuation if stalled on tracks.

Medium

Emergency, Equipment, and Student Management

Emergency exit use, evacuation decisions, safe assembly areas, hazardous materials, student assistants, fire extinguishers, warning devices, post-trip child checks, behavior management, backing, weather, ABS, and defect reporting.

Preparing for the Texas CDL School Bus Exam

What You Need to Know

  • Passing score: 80% or higher on each CDL knowledge-exam section
  • Assessment: Texas DPS-administered CDL knowledge testing for required CDL sections, Passenger qualification, and School Bus when required, followed by FMCSA-required school bus skills testing in a representative school bus for the applicable vehicle group.
  • Time limit: not-published; Texas DPS and FMCSA do not publish a separate public School Bus endorsement knowledge-test time limit in the cited sources.
  • Exam / certification fees: $25 original CLP; $97 standard new CDL for ages 18 to 84; $11 replacement CDL/CLP transaction category including tests to add or remove endorsements or restrictions; no separate School Bus-only first-attempt fee published by Texas DPS in the cited sources. Official sources

Using Our Practice Resources

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Texas CDL School Bus: Suggested Study Strategy

1Study Texas handbook school bus material as a safety procedure checklist: danger zones, mirrors, loading, rail crossings, evacuation, student management, ABS, and post-trip checks.
2Memorize high-yield numbers and rules: 80% passing, 15 to 50 feet before railroad crossings, 180-day CLP validity, P33 no-passengers-in-CMV-bus restriction, and S/P endorsement interaction.
3Practice missing-student and dropped-object scenarios until the answer is automatic: do not move the bus until the child is accounted for and clear.
4Review Passenger and air brake dependencies because a school bus route may require P qualification, proper vehicle group testing, and air brake authority.
5Treat Texas DPS logistics separately from safety content: do not assume a public question count or time limit unless DPS publishes one.

Frequently Asked Questions

Who administers the Texas CDL School Bus endorsement test?

Texas DPS administers Texas CDL testing under federal FMCSA CDL standards. Employers, districts, medical examiners, and training providers may also impose requirements outside the DPS knowledge test.

How many questions are on the Texas CDL School Bus endorsement test?

Texas DPS and the cited FMCSA rules do not publish a fixed public item count for the Texas School Bus endorsement knowledge test. This practice bank contains 100 questions.

What score do I need to pass the Texas CDL School Bus knowledge test?

Texas handbook material and FMCSA rules use an 80% or higher passing score for CDL knowledge-test sections.

Do I need a Passenger endorsement for a Texas school bus?

Yes. Texas DPS lists P for passenger vehicles and S for school bus operation, and federal school bus endorsement rules require applicants to qualify for the Passenger endorsement.

Does a Texas School Bus endorsement require a skills test?

Yes. Federal rules require School Bus endorsement applicants to pass both school-bus-specific knowledge and skills testing, with the skills test taken in an appropriate representative school bus.

Does Texas publish a School Bus endorsement test time limit?

The cited Texas DPS and FMCSA sources do not publish a separate public time limit for the Texas School Bus endorsement knowledge test.