Free Practice Questions for Wyoming CDL School Bus
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Try these sample questions to review concepts for the Wyoming CDL School Bus exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 130+ question experience with AI tutoring.
1Which endorsements does a Wyoming CDL holder need to drive a school bus designed to carry 16 or more persons, including the driver?
2What format does WYDOT use for its written CDL tests, including the School Bus knowledge test?
3According to the Wyoming CDL Manual, where are the principal school-bus danger zones?
4During the school-bus mirror check, what should the outside left and right flat mirrors let the driver see behind the bus?
5What is the main safety purpose of a school bus's crossover mirrors?
6When approaching a school-bus stop, when should the driver generally activate the alternating amber warning lights under the Wyoming CDL Manual?
7Where should a school-bus driver stop in relation to waiting students at a normal loading stop?
8After stopping at a loading zone and before opening the entrance door, how should the driver secure the school bus?
9A student must cross the roadway after leaving the school bus. Which sequence best follows the manual?
10While unloading, the driver loses sight of a student near the front of the bus. What is the safest response?
About the Wyoming CDL School Bus Exam
The Wyoming CDL School Bus (S) endorsement knowledge assessment is administered by Wyoming Department of Transportation (WYDOT) Driver Services for drivers operating school buses transporting pre-primary, primary, or secondary school students. Its published scope is Section 10 of the Wyoming Commercial Driver License Manual: danger zones, mirrors, student loading and unloading, warning systems, emergency evacuation, student supervision, and railroad crossings. WYDOT does not publish an official item count or time limit and states that Wyoming tests are given only in English. This independent four-option study bank does not reproduce official questions or replace mandatory ELDT or behind-the-wheel training.
Exam sponsor: Wyoming Department of Transportation (WYDOT) Driver Services. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Assessment
A multiple-choice WYDOT School Bus knowledge assessment covering Section 10 of the Wyoming Commercial Driver License Manual, taken with the Passenger (P) qualification, followed by vehicle-inspection, basic-control, and on-road skills tests in a representative school bus. WYDOT's current testing page states that Wyoming tests are given only in English. This independent four-option study bank does not reproduce official questions or replace practical skills preparation.
Time Limit
Not published by WYDOT
Passing Score
At least 80% on each knowledge-test component under 49 CFR 383.135 and WYDOT rules
Exam / Certification Fees
$55 new CDL fee and $45 CLP fee; written knowledge tests free; WYDOT skills test $85
Exam sponsor websiteFees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Official sources
- Wyoming DOT Commercial License Information · Source checked 2026-10-04
- Wyoming DOT Commercial Testing · Source checked 2026-10-04
- Wyoming DOT Driver Manuals · Source checked 2026-10-04
- Wyoming Statutes Title 31 Motor Vehicles · Source checked 2026-10-04
- 49 CFR Part 383 (Commercial Driver's License Standards) · Source checked 2026-10-04
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.
Wyoming School Bus Laws and Licensing
Who needs the S endorsement, dual P and S qualification rules under 49 CFR 383.123, CLP passenger restrictions, 14-day hold, and W.S. § 31-5-507 stop laws for vehicles approaching stopped school buses.
Danger Zones and Mirror Systems
Danger zones extending as much as 30 feet in front and 10 feet along the left, right, and rear sides of the school bus; flat and convex crossover mirrors; blind-spot management; and proper mirror adjustment.
Loading and Unloading Procedures
Approaching bus stops, 8-light amber and red warning light sequences, stop signal arm and crossing control arm deployment, student boarding, counting students, crossing procedures, and managing dropped items.
Railroad Grade Crossings
Mandatory railroad crossing stops for all school buses under W.S. § 31-5-511 (stopping 15 to 50 feet from the nearest rail, activating hazard flashers before stopping, opening front door and driver window, looking and listening, crossing in low gear without shifting, and cancelling flashers).
Emergency Evacuations and Student Management
Determining when evacuation is necessary, choosing evacuation exits (front door, rear emergency door, side doors, roof hatches), lead and trail helpers, securing students 100 feet or more away from the road, disruptive passenger handling, and behavioral guidelines.
Vehicle Inspection and Antilock Brakes
Specialized school bus exterior and interior pre-trip inspection items, emergency equipment, body fluid cleanup kits, ABS braking characteristics on ice and snow, and backing avoidance.
Preparing for the Wyoming CDL School Bus Exam
What You Need to Know
- Passing score: At least 80% on each knowledge-test component under 49 CFR 383.135 and WYDOT rules
- Assessment: A multiple-choice WYDOT School Bus knowledge assessment covering Section 10 of the Wyoming Commercial Driver License Manual, taken with the Passenger (P) qualification, followed by vehicle-inspection, basic-control, and on-road skills tests in a representative school bus. WYDOT's current testing page states that Wyoming tests are given only in English. This independent four-option study bank does not reproduce official questions or replace practical skills preparation.
- Time limit: Not published by WYDOT
- Exam / certification fees: $55 new CDL fee and $45 CLP fee; written knowledge tests free; WYDOT skills test $85 Official sources
Using Our Practice Resources
- Work through all 130 available questions
- Review every answer and explanation
- Track weak areas and revisit them
- Use our AI tutor for tough concepts
Wyoming CDL School Bus: Suggested Study Strategy
Frequently Asked Questions
What endorsements are required to drive a school bus in Wyoming?
Under federal law (49 CFR 383.123) and Wyoming law, a school bus driver must hold both a Passenger (P) endorsement and a School Bus (S) endorsement on their Commercial Driver License, and pass commercial skills tests in a representative school bus.
What is the passing score for the Wyoming School Bus knowledge test?
The passing score is at least 80% correct under 49 CFR 383.135 and WYDOT regulations. WYDOT publishes the curriculum in Section 10 of the manual but does not publish an official question count or time limit.
What is Wyoming's railroad crossing stop law for school buses?
Under Wyoming Statute § 31-5-511, every school bus—whether empty or carrying students—must stop within 50 feet but not less than 15 feet from the nearest rail at all railroad grade crossings, actuate four-way hazard flashers before stopping, listen and look in both directions, and cross without manually shifting gears. Crucially, Wyoming law does not exempt school buses at crossings equipped with active flashing signals or gates.
What are the danger zones around a school bus?
The danger zone is the area anywhere outside the bus extending up to 10 feet in all directions, and up to 30 feet directly in front of the front bumper. The area immediately to the left and right of the front tires and directly behind the rear bumper are the most dangerous blind spots.
How much does the Wyoming School Bus endorsement test cost?
WYDOT provides written knowledge tests free of charge. A new commercial driver license is $55, a CLP is $45, and a WYDOT skills test is $85. Some card payments may carry a separate processing charge.
In what language is the Wyoming CDL School Bus test given?
WYDOT's current testing page states that English is the only language in which Wyoming tests are given. Its interpreter allowance is limited to noncommercial written tests and certain non-CDL skills tests, so it does not provide an alternate-language CDL testing option.
Are these practice questions identical to the official WYDOT exam?
No. These are independent educational study questions based on Section 10 of the Wyoming Commercial Driver License Manual, Wyoming Statutes, and FMCSA safety regulations. They do not duplicate official exam questions or replace mandatory ELDT.