Free CDL Practice Tests · All 50 States + DC · Updated 2026 Official handbooks · CDL pay & outlook
MS · S Endorsement

Mississippi School Bus CDL Practice Test

Below are 25 exam-style questions for the Mississippi School Bus CDL knowledge test, modeled on the FMCSA-aligned content used by the Mississippi Department of Public Safety. 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
A school bus driver may NOT:
  • A All of the above
  • B Smoke on the bus
  • C Permit unauthorized persons to ride
  • D Use a hand-held cell phone while driving
Correct answer: A
All three are restricted on school buses.
Question 2 of 25
When students are loading, the bus is:
  • A Moving slowly
  • B Idling in gear
  • C Stopped with the parking brake set, transmission in neutral or park, and warning lights on
  • D In reverse
Correct answer: C
Bus must be fully stopped and secured during loading.
Question 3 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 Walk to the curb, then to the home
  • C Cross diagonally
  • D Go behind the bus
Correct answer: A
Crossing in front and visible to the driver is the safest path.
Question 4 of 25
After a school bus accident, the driver should:
  • A Move the bus immediately
  • B Leave students unattended
  • C Continue the route
  • D Care for injured students, contact emergency services, and notify the school
Correct answer: D
Student care and notification come first.
Question 5 of 25
A school bus driver must evacuate the bus when:
  • A Students are noisy
  • B A passenger forgot a backpack
  • C 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
  • D There is heavy rain
Correct answer: C
Mandatory evacuation conditions are specifically taught in S endorsement training.
Question 6 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 Have students guide you
  • D Back at the same speed as forward
Correct answer: B
Backing is high-risk; avoid when possible and use a non-student spotter.
Question 7 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 8 of 25
After a school bus has stopped to unload, the driver should:
  • A Honk and drive
  • B Pull away as the door closes
  • C Drive on the shoulder
  • D Wait until students have moved at least 10 feet from the bus and then check mirrors before pulling away
Correct answer: D
Students must be a safe distance from the bus before any movement.
Question 9 of 25
Most school-bus fatalities involving students happen:
  • A In the bus garage
  • B On the highway during the trip
  • C At fueling stops
  • D During loading and unloading near the bus
Correct answer: D
Loading/unloading is the most dangerous part of the school-bus operation; the danger zone extends 10 feet around the bus.
Question 10 of 25
A school bus driver should know the school district's policies on:
  • A Loading and unloading procedures, route timing, and emergency contacts
  • B How to handle parents at stops
  • C Reporting absences
  • D All of the above
Correct answer: D
District policies cover daily operations and emergency communication.
Question 11 of 25
A school bus driver should never:
  • A Allow students to remain seated during evacuation
  • B Cross a railroad track without stopping
  • C Move the bus until all students are seated
  • D All of the above
Correct answer: B
Crossing a rail without stopping is a major violation. The other answers are normal practice.
Question 12 of 25
When a school bus stops on a multilane road:
  • A No traffic rules apply
  • B Traffic in both directions usually must stop, depending on the road configuration and state law
  • C Traffic may pass
  • D Only oncoming traffic must stop
Correct answer: B
State laws vary; usually all traffic stops on undivided roads, while divided highways may exempt the opposite direction.
Question 13 of 25
A school bus driver must inspect the bus body and exterior daily for:
  • A Cracks in mirrors
  • B Damage that could endanger students
  • C Loose parts
  • D All of the above
Correct answer: D
Daily exterior inspection identifies hazards before students board.
Question 14 of 25
When transporting students on a field trip:
  • A Standees are allowed
  • B Looser rules apply
  • C Same safety rules apply as the regular route
  • D Seat belts are optional
Correct answer: C
Field trips follow standard school-bus operating procedures.
Question 15 of 25
A school bus driver may not:
  • A Operate without working emergency exits
  • B Operate the bus while distracted by passengers
  • C All of the above
  • D Allow standees in the aisle
Correct answer: C
Each of these actions creates a serious safety risk on a school bus.
Question 16 of 25
Before students approach the bus to board, the driver should:
  • A Open the rear door
  • B Honk
  • C Activate the alternating red lights and stop signal arm
  • D Roll down all windows
Correct answer: C
Use red lights and stop arm to alert traffic and signal students that it is safe to approach.
Question 17 of 25
A bus driver should always assume:
  • A No traffic will pass while the bus is stopped
  • B Children may not see or hear the bus
  • C All children will follow the rules
  • D Drivers will always stop for the red lights
Correct answer: B
Children may dart out, may not look, and may not hear; drivers must compensate.
Question 18 of 25
When approaching a stopped vehicle on the side of the road:
  • A Slow down and move over if possible
  • B Speed up
  • C Honk continuously
  • D Maintain speed
Correct answer: A
Move-over laws apply to school buses around stopped vehicles, especially emergency vehicles.
Question 19 of 25
When you must evacuate students near a railroad track:
  • A Have them wait next to the bus
  • B Send them along the tracks
  • C Have them sit in the road
  • D Move them at least 100 feet upwind from the bus and away from the tracks
Correct answer: D
Distance and direction matter; clear of the tracks and at least 100 feet from any explosion or fire risk.
Question 20 of 25
When using the lift for a wheelchair student:
  • A Set the parking brake and ensure the lift is fully deployed before allowing boarding
  • B Allow another student to operate the lift
  • C Skip the parking brake
  • D Operate the lift while moving
Correct answer: A
Stationary, secured operation is essential.
Question 21 of 25
A school bus must have working:
  • A Pre-trip inspection completed
  • B Functional emergency exits
  • C Crossing arms, stop signal arms, and red flashing lights
  • D All of the above
Correct answer: D
All three are required for legal operation.
Question 22 of 25
A school bus driver must report:
  • A Accidents involving the bus or students
  • B All of the above
  • C Mechanical defects discovered during the trip
  • D Behavior that disrupts the safety of the bus
Correct answer: B
All three reporting duties apply.
Question 23 of 25
A "no-zone" of a school bus includes:
  • A The danger zone — 10 feet around the bus
  • B The blind spot directly behind
  • C The blind spot directly in front
  • D All of the above
Correct answer: D
All three areas are blind spots for the school-bus driver.
Question 24 of 25
When a student is left at school after the route, the driver should:
  • A Take the student home personally
  • B Leave the student
  • C Drive home
  • D Notify the school and follow company policy
Correct answer: D
Lost or left students are reported and reunited per company procedure.
Question 25 of 25
During winter operation, a school bus driver should:
  • A Skip pre-trip in cold weather
  • B Inspect heater and defroster operation, tires, and lights for snow and ice
  • C Allow students to dress lightly
  • D Use only the parking brake
Correct answer: B
Winter pre-trips include extra checks for heater, defroster, and traction items.

Study tips for the Mississippi School Bus exam

The School Bus portion of the Mississippi CDL exam is graded out of the bank of questions the Mississippi Department of Public Safety draws from each year. While the exact bank is not published, every question is sourced from the School Bus chapter of the Mississippi 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 Mississippi 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 Mississippi Department of Public Safety 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 Mississippi 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 Mississippi 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 Mississippi Department of Public Safety office.

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

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