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200+ Free NY CDL School Bus Practice Questions

Pass your New York CDL School Bus Endorsement Test exam on the first try — instant access, no signup required.

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If a tornado is sighted and evacuation is ordered with no building shelter readily available, what does NY CDL-10 recommend?

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Key Facts: NY CDL School Bus Exam

20

NY S endorsement written questions

NY DMV CDL Endorsements

16/20

Passing score

NY DMV CDL Endorsements / 49 CFR 383.135

not-published

Official S endorsement time limit

NY DMV/FMCSA cited sources

$10

Initial CDL written-test application fee

NY DMV Get a Commercial Driver License

15 ft

NY CDL-10 danger zone distance around bus

NY CDL-10 Section 10

300 ft

Amber warning lamps before a school bus stop

NY CDL-10 Section 10

Use NY CDL-10 Section 10 as the main study source. NY DMV publishes 20 multiple-choice S endorsement questions with 16 correct answers required to pass, and school bus applicants must already hold P or apply for P and S at the same time. First-time S endorsement skills testing requires ELDT, and New Yorks limited School Bus Only road-test path applies K and S1 restrictions. NY DMV publishes written-test fees, but no S endorsement time limit in the cited sources.

Sample NY CDL School Bus Practice Questions

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

1How does NY DMV describe the relationship between the School Bus (S) and Passenger (P) endorsements?
A.The driver must already have P or apply for P and S at the same time
B.The S endorsement replaces the P endorsement
C.The P endorsement is needed only for charter buses
D.The S endorsement is optional if the school district owns the bus
Explanation: NY DMV says a school bus driver may not apply for the S endorsement unless the driver already has a Passenger endorsement or applies for both S and P at the same time. The school bus endorsement adds school-bus-specific authority; it does not replace Passenger qualification.
2How many questions does NY DMV publish for the School Bus (S) endorsement written test?
A.20 multiple-choice questions
B.50 multiple-choice questions
C.10 true-or-false questions
D.No written test is required
Explanation: NY DMV publishes that the S endorsement written knowledge test has 20 multiple-choice questions. The test is based on Section 10 of the New York State Commercial Driver License Manual.
3What score does NY DMV publish for passing the 20-question S endorsement written test?
A.At least 16 correct answers
B.At least 10 correct answers
C.At least 12 correct answers
D.All 20 correct answers
Explanation: NY DMV says an applicant must correctly answer 16 of the 20 S endorsement knowledge questions to pass. That is the same 80 percent minimum used for CDL knowledge tests under New York CDL-10 and FMCSA standards.
4Which New York CDL manual section is the main study source for the S endorsement knowledge test?
A.Section 10, School Bus
B.Section 4, Transporting Passengers
C.Section 9, Hazardous Materials
D.Section 13, On-Road Test only
Explanation: NY DMV states that the S endorsement written test is based on Section 10 of the CDL Manual. Passenger material still matters for P qualification, but the school-bus-specific knowledge test is Section 10.
5Under NY DMV S endorsement guidance, which school bus generally triggers the S endorsement based on seating?
A.A school bus designed to transport 15 or more passengers, excluding the driver
B.Any vehicle with more than four children aboard
C.Only a school bus used outside New York State
D.Only a school bus with air brakes
Explanation: NY CDL-10 Section 10 says school bus drivers who drive a bus designed to transport 15 or more passengers, excluding the driver, need the school bus endorsement in addition to Passenger. Air brakes, interstate operation, and trip purpose may add other requirements, but they do not replace the S endorsement trigger.
6What medical examination interval does Article 19-A require for New York school bus drivers in CDL-10 Section 10?
A.Every two years
B.Every six months
C.Every year only if the bus has air brakes
D.Only when the CDL is first issued
Explanation: CDL-10 Section 10 states that Article 19-A requires school bus drivers to have a medical examination every two years and obtain a signed and dated medical examination form. NYSED may impose additional school bus driver physical requirements.
7What minimum age does NY CDL-10 Section 1 list in the additional NYSED requirements for school bus drivers?
A.21 years old
B.18 years old
C.19 years old
D.25 years old
Explanation: NY CDL-10 Section 1 says NYSED regulation further requires school bus drivers to be at least 21 years of age. This is more specific than the general intrastate CDL minimum age.
8What CDL permit-test application fee does NY DMV publish for written knowledge and endorsement tests taken at the same time?
A.$10
B.$5
C.$40
D.$250
Explanation: NY DMV publishes a $10 CDL permit-test application fee that allows all written knowledge and endorsement tests taken at the same time. NY DMV lists a separate $5 fee for another required written test not taken and passed at the initial application, and a separate road test fee.
9When does NY DMV require ELDT for a first-time School Bus endorsement applicant?
A.Before the CDL skills test for the first-time S endorsement
B.Only after the driver has failed the written test twice
C.Only after the CDL is already issued
D.Only when the bus is privately owned
Explanation: NY DMV states that entry-level drivers attempting a CDL skills test for a first-time School Bus endorsement must complete mandatory theory and behind-the-wheel training through a Training Provider Registry provider. DMV verifies required training before allowing the driver to move forward with testing.
10What does New Yorks Limited School Bus road test exemption waive?
A.The engine compartment component of the pre-trip vehicle inspection skills test
B.The entire road test
C.The S endorsement knowledge test
D.The Passenger endorsement requirement
Explanation: NY DMV says the Limited School Bus road test waives the engine compartment, or under-the-hood, component of the pre-trip vehicle inspection requirement. It does not waive the whole road test, the S knowledge test, or the P endorsement relationship.

About the NY CDL School Bus Exam

The New York CDL School Bus Endorsement Test is the NY DMV-administered written knowledge test for drivers seeking School Bus (S) authority. New York requires the S endorsement in addition to Passenger qualification for covered school bus operation, and NY DMV publishes a 20-question written test based on CDL-10 Section 10 with 16 correct answers required to pass. Tested content includes New York school bus danger zones, mirror systems, loading and unloading, alternating amber and red lamps, stop arms, student crossing procedures, emergency exits and evacuation, railroad-highway grade crossings, student management, post-trip inspections, ABS, high winds, backing, tail swing, Article 19-A context, ELDT, and the School Bus Only S1 restriction path.

Assessment

NY DMV-administered School Bus (S) endorsement written knowledge test based on NY CDL-10 Section 10, plus Passenger endorsement qualification and school bus skills testing in the same vehicle group under FMCSA Part 383 when applicable.

Time Limit

not-published; NY DMV and FMCSA do not publish a School Bus endorsement knowledge-test time limit in the cited sources.

Passing Score

16 of 20 questions correct (80%)

Exam Fee

$10 CDL permit-test application fee covers written knowledge and endorsement tests taken at the same time; $5 for another required written test not taken and passed at initial application; $40 road test fee is separate when a CDL road test is required. (New York State Department of Motor Vehicles (NY DMV) / FMCSA)

NY CDL School Bus Exam Content Outline

Licensing

New York and FMCSA S Endorsement Rules

NY S/P endorsement relationship, 20-question/16-correct test logistics, NY DMV fees, Article 19-A, NYSED school bus driver requirements, ELDT timing, CLP passenger restrictions, FMCSA school bus endorsement standards, and the limited S1/K school bus-only path.

High

Danger Zones and Mirror Systems

New York 15-foot danger zones around the bus, left-side passing danger, flat mirror, convex mirror, cross-view mirror, and overhead inside mirror use and adjustment.

High

Loading, Unloading, and Stop Devices

Approved stops, amber warning lamps at least 300 feet before stops, red lamps, stop arm use, student counting, student crossing, dropped objects, handrail hang-ups, NYC seat-belt note, and post-trip child checks.

Medium

Emergency Exit and Evacuation

Evacuation planning, student assistants, three annual drills, evacuation decisions, mandatory evacuation triggers, bomb-threat communications, fire, hazardous materials, tornadoes, safe places, injured students, and emergency equipment.

Medium

Railroad Crossings and Special Safety

Passive and active railroad crossings, warning signs, 15-to-50-foot stops, 200-foot hazard lamps, door and window listening, multiple tracks, gate problems, storage-area judgment, student management, ABS, strobe lights, high winds, backing, and tail swing.

How to Pass the NY CDL School Bus Exam

What You Need to Know

  • Passing score: 16 of 20 questions correct (80%)
  • Assessment: NY DMV-administered School Bus (S) endorsement written knowledge test based on NY CDL-10 Section 10, plus Passenger endorsement qualification and school bus skills testing in the same vehicle group under FMCSA Part 383 when applicable.
  • Time limit: not-published; NY DMV and FMCSA do not publish a School Bus endorsement knowledge-test time limit in the cited sources.
  • Exam fee: $10 CDL permit-test application fee covers written knowledge and endorsement tests taken at the same time; $5 for another required written test not taken and passed at initial application; $40 road test fee is separate when a CDL road test is required.

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

NY CDL School Bus Study Tips from Top Performers

1Memorize the New York-specific numbers: 20 S test questions, 16 correct to pass, 15-foot danger zones, 300-foot amber lamps, 10-foot stop distance from students, and 15-to-50-foot railroad stops.
2Separate New York state logistics from driving procedures: S requires P already or simultaneous P application, first-time S skills testing requires ELDT, and limited S1 testing creates K and S1 restrictions.
3Practice loading and unloading sequences until the order is automatic: amber lamps, safe stop, Park or Neutral, parking brake, red lamps, stop arm, final traffic check, then student signal.
4For rail crossings, drill the full sequence: hazards about 200 feet before, stop 15 to 50 feet from the nearest rail, silence passengers, open service door and window, look and listen, close the door, low gear, no shifting, and clear all tracks.
5Review scenario questions for dropped objects, missing students, behavior problems during unloading, evacuation decisions, bomb threats, backing, ABS malfunctions, and high winds.

Frequently Asked Questions

Who administers the New York CDL School Bus endorsement test?

The New York State Department of Motor Vehicles administers the School Bus (S) endorsement written test under federal FMCSA CDL standards.

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

NY DMV publishes that the S endorsement written test has 20 multiple-choice questions based on CDL-10 Section 10.

What score do I need to pass the New York S endorsement written test?

NY DMV says you must correctly answer 16 of the 20 questions, which is 80 percent.

Do New York school bus drivers need both P and S endorsements?

Yes. NY DMV says a school bus driver may not apply for S unless they already have P or apply for P and S at the same time.

How much does the New York S endorsement written test cost?

NY DMV lists a $10 CDL permit-test application fee that covers written knowledge and endorsement tests taken at the same time, plus $5 for another required written test not taken and passed at initial application. A $40 road test fee is separate when a road test is required.

Does New York publish a School Bus endorsement time limit?

The cited NY DMV and FMCSA sources publish the S endorsement question count and passing score, but do not publish a School Bus endorsement knowledge-test time limit.

What is the New York School Bus Only S1 restriction?

NY DMV says applicants who use the Limited School Bus road-test exemption receive the S1 School Bus Only restriction and K Intrastate Only restriction. The test waives the engine-compartment pre-trip component but does not create a full unrestricted CDL.