MN · S Endorsement

Minnesota School Bus CDL Practice Test

Below are 25 exam-style questions for the Minnesota School Bus CDL knowledge test, modeled on the FMCSA-aligned content used by the Minnesota Driver and Vehicle Services. Try to answer each question on your own before reading the answer key directly under it. The questions and answer choices are shuffled deterministically per state and endorsement, so the order will stay the same on repeat visits — that lets you genuinely measure your improvement.

Heads up: this is a study tool, not a graded exam. Cover the answer with your hand or a sheet of paper for an honest practice run, then re-read the explanations for any questions you missed. Aim for 22 out of 25 or better, three times in a row, before scheduling the real exam.

Question 1 of 25

When a school bus driver receives a passenger needing special assistance:

A Allow boarding without securement
B Charge a fee
C Use the lift or ramp per training and secure the mobility device
D Refuse service

Correct answer: C

Trained use of accessibility equipment ensures every student rides safely.

Question 2 of 25

A school bus driver should never:

A Cross a railroad track without stopping
B Move the bus until all students are seated
C Allow students to remain seated during evacuation
D All of the above

Correct answer: A

Crossing a rail without stopping is a major violation. The other answers are normal practice.

Question 3 of 25

On rural roads, a school bus driver should:

A Be especially alert at stops where students might cross the road
B Maintain normal city speed
C Allow students to walk on the road
D Skip warning lights

Correct answer: A

Rural visibility is often poor; extra caution is required at every stop.

Question 4 of 25

School bus pre-trip inspection includes:

A Lights and reflectors, including alternating red lights and stop arm
B Emergency exits and warning devices
C Mirrors and adjustment
D All of the above

Correct answer: D

School-bus-specific systems must be checked daily.

Question 5 of 25

A school bus driver must report:

A Accidents involving the bus or students
B Mechanical defects discovered during the trip
C All of the above
D Behavior that disrupts the safety of the bus

Correct answer: C

All three reporting duties apply.

Question 6 of 25

A school bus driver may not:

A All of the above
B Allow standees in the aisle
C Operate without working emergency exits
D Operate the bus while distracted by passengers

Correct answer: A

Each of these actions creates a serious safety risk on a school bus.

Question 7 of 25

When the bus is stopped to unload students, the driver must:

A Move the bus while students are crossing
B Watch the danger zone, especially in front, until all students are clear of the area
C Pull away as soon as the door is closed
D Quickly close the door

Correct answer: B

Driver must visually verify students have moved clear before any movement.

Question 8 of 25

Before students approach the bus to board, the driver should:

A Activate the alternating red lights and stop signal arm
B Roll down all windows
C Honk
D Open the rear door

Correct answer: A

Use red lights and stop arm to alert traffic and signal students that it is safe to approach.

Question 9 of 25

Tail swing on a school bus can:

A Strike pedestrians
B All of the above
C Damage the bus
D Hit objects on the side opposite the turn

Correct answer: B

Tail swing is the rear of the bus moving in the opposite direction of the turn; check both sides.

Question 10 of 25

When approaching the loading area, the driver should:

A Be at a low speed and prepared to stop, watching for waiting students
B Speed past
C Honk to scare them
D Skip the stop if running late

Correct answer: A

Approach the stop slowly so students see you and you see them.

Question 11 of 25

When students get off at the corner, they should:

A Walk in front of the bus to cross only after a driver signal and at least 10 feet from the bus
B Cross diagonally
C Go behind the bus
D Walk to the curb, then to the home

Correct answer: A

Crossing in front and visible to the driver is the safest path.

Question 12 of 25

When stopping a school bus to load students:

A Honk repeatedly
B Use only the four-ways
C Slam on the brakes at the stop
D Activate amber warning lights about 100-300 feet before the stop, then red lights and stop arm at the stop

Correct answer: D

Amber-then-red sequence gives following traffic time to stop.

Question 13 of 25

A school bus driver must evacuate the bus when:

A There is a fire or danger of fire, hazmat spill, the bus is in the path of a train, or the bus position may shift
B There is heavy rain
C Students are noisy
D A passenger forgot a backpack

Correct answer: A

Mandatory evacuation conditions are specifically taught in S endorsement training.

Question 14 of 25

A school bus must stop at every railroad crossing:

A Within 5 feet of the rail
B Only at night
C Only when a train is visible
D Between 15 and 50 feet from the nearest rail

Correct answer: D

Federal rule applies to school buses; same as other buses required to stop.

Question 15 of 25

When the bus is stopped and students must cross the street:

A Use the alternating red lights and stop arm to halt traffic
B Allow students to cross without lights
C Use only four-ways
D Honk to clear traffic

Correct answer: A

Red lights and stop arm legally require traffic to stop.

Question 16 of 25

A school bus driver must keep:

A A clear view through windows and mirrors
B Cargo and personal items secured and out of the aisle
C All of the above
D A clear path to emergency exits

Correct answer: C

All three are required for safe operation.

Question 17 of 25

When a school bus is in a winter storm:

A Skip the pre-trip
B Allow students to walk home
C Maintain normal speed
D Reduce speed and increase following distance, and consider chains where allowed

Correct answer: D

Winter operations require all the standard adjustments — slower speeds, more cushion, extra inspections.

Question 18 of 25

During evacuation, the driver should:

A Evacuate from the closest exit regardless of danger
B Choose the safest exit (often the front door, away from the danger), evacuate students, and account for all of them
C Send students out the rear
D Wait for help

Correct answer: B

Use the safest exit and account for every student before leaving the bus.

Question 19 of 25

A school bus driver must be alert for:

A All of the above
B Children riding bicycles near the stop
C Children running across the street
D Children playing or chasing balls near the bus stop

Correct answer: A

Children's behavior is unpredictable; constant vigilance is required.

Question 20 of 25

The "danger zone" around a school bus extends:

A 20 feet behind only
B 5 feet on each side
C The length of the bus
D 10 feet around the bus

Correct answer: D

10-foot perimeter; the most dangerous spot is directly in front of the bus.

Question 21 of 25

When a school bus stops on a multilane road:

A Only oncoming traffic must stop
B Traffic in both directions usually must stop, depending on the road configuration and state law
C Traffic may pass
D No traffic rules apply

Correct answer: B

State laws vary; usually all traffic stops on undivided roads, while divided highways may exempt the opposite direction.

Question 22 of 25

School bus drivers should be especially aware of:

A All of the above
B Wide rear of the bus when changing lanes
C Off-tracking on right turns
D Tail swing when turning corners

Correct answer: A

Bus body movement around corners requires constant awareness.

Question 23 of 25

When approaching a stopped vehicle on the side of the road:

A Maintain speed
B Slow down and move over if possible
C Speed up
D Honk continuously

Correct answer: B

Move-over laws apply to school buses around stopped vehicles, especially emergency vehicles.

Question 24 of 25

When using mirrors to check the danger zone, the order is generally:

A Left flat, left convex, crossover, right flat, right convex, then door
B Door only
C Crossover then door
D Right flat then left flat

Correct answer: A

Sequential mirror check ensures the entire danger zone is visible before opening the door.

Question 25 of 25

When backing a school bus, you should:

A Use only mirrors
B Avoid backing whenever possible; use a spotter when you must back
C Back at the same speed as forward
D Have students guide you

Correct answer: B

Backing is high-risk; avoid when possible and use a non-student spotter.

Study tips for the Minnesota School Bus exam

The School Bus portion of the Minnesota CDL exam is graded out of the bank of questions the Minnesota Driver and Vehicle Services draws from each year. While the exact bank is not published, every question is sourced from the School Bus chapter of the Minnesota CDL handbook, which itself is derived from the FMCSA Model Commercial Driver's License Manual. That means studying our practice tests, reading the corresponding handbook chapter, and re-reading the parts you got wrong is genuinely the most efficient route to a first-time pass.

Most successful applicants follow a simple cycle: take the practice test cold, write down every question you missed, open the matching chapter of the official Minnesota handbook, re-read the section that contains the right answer, then re-take the practice test 24 to 48 hours later. The 24-hour delay matters — sleep is when your brain commits new information to long-term memory, and CDL knowledge questions reward that kind of consolidated learning rather than cramming.

Pay particular attention to questions that include qualifier words like always, never, only, primary, or most. CDL test writers love to flip the right answer with a single qualifier. When two answer choices look almost identical, pay attention to the verb (is it must, should, or may?) and to any numbers (14 days, 100 air miles, 8 hours, 70/8 split). On endorsement tests in particular, watch for trick framing where a true statement about a different endorsement is offered as the "correct" answer to a question that is actually about School Bus.

Test-day logistics matter too. Bring photo ID, your Social Security card or birth certificate, your medical examiner's certificate (DOT card), and proof of state residency if you haven't already submitted those documents. The Minnesota Driver and Vehicle Services will not let you sit for the knowledge exam without your documentation, and most offices charge an additional fee for re-attempts. Arrive early — the wait at most CDL testing offices runs 30 to 60 minutes — and silence your phone before the exam begins.

Finally, keep your General Knowledge fundamentals sharp even when you're focused on the School Bus exam. Many states administer multiple knowledge tests in a single sitting, and questions on weight definitions (GVWR, GCWR, GAWR), stopping distance, and the pre-trip inspection routine show up across endorsements. If you're unsure on the basics, sit a fresh Minnesota General Knowledge practice test before scheduling the real exam.

Next steps

Missed more than four questions? Re-read the School Bus study guide and the matching chapter in the official Minnesota CDL handbook. Then come back and re-take the test. Once you can score 22 of 25 or higher on three runs in a row, you're in good shape to schedule the real exam at your local Minnesota Driver and Vehicle Services office.

Already comfortable with this endorsement? Drill another: MN General Knowledge · MN Air Brakes · MN Combination Vehicles · MN Hazardous Materials · MN Passenger · MN Tank Vehicle · MN Doubles / Triples

New to the CDL process in Minnesota? Read How to apply for a CDL in Minnesota for the document checklist and step-by-step timeline.