South Dakota School Bus CDL Practice Test
Below are 25 exam-style questions for the South Dakota School Bus CDL knowledge test, modeled on the FMCSA-aligned content used by the South Dakota Driver Licensing Program. 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.
- A Skip the lights
- B Use interior dome lights and ensure exterior lights and stop arm are visible
- C Have students load without lights
- D Use only the four-ways
- A Damage that could endanger students
- B Loose parts
- C Cracks in mirrors
- D All of the above
- A Operate the lift while moving
- B Allow another student to operate the lift
- C Skip the parking brake
- D Set the parking brake and ensure the lift is fully deployed before allowing boarding
- A Cross a railroad track without stopping
- B All of the above
- C Allow students to remain seated during evacuation
- D Move the bus until all students are seated
- A Skip the visual check
- B Verify the door is fully open and the area is clear before allowing students to disembark
- C Allow students to push the door open
- D Open partway and rush
- A Walking the bus to check for sleeping or hidden children, items left behind, and damage
- B Disconnecting the battery
- C Refueling
- D Cleaning windows
- A Cross at any time
- B Cross behind the bus
- C Walk close to the bus where the driver can see them, after a hand signal from the driver
- D Run across
- A Be checked daily as part of pre-trip
- B All of the above
- C Open from inside and outside as designed
- D Be unobstructed
- A 5 feet on each side
- B The length of the bus
- C 20 feet behind only
- D 10 feet around the bus
- A Slow down and move over if possible
- B Honk continuously
- C Maintain speed
- D Speed up
- A Have them sit in the road
- B Move them at least 100 feet upwind from the bus and away from the tracks
- C Have them wait next to the bus
- D Send them along the tracks
- A Same safety rules apply as the regular route
- B Seat belts are optional
- C Looser rules apply
- D Standees are allowed
- A Evacuate from the closest exit regardless of danger
- B Send students out the rear
- C Choose the safest exit (often the front door, away from the danger), evacuate students, and account for all of them
- D Wait for help
- A Use only the four-ways
- B Honk repeatedly
- C Activate amber warning lights about 100-300 feet before the stop, then red lights and stop arm at the stop
- D Slam on the brakes at the stop
- 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
- A Use only mirrors
- B Back at the same speed as forward
- C Avoid backing whenever possible; use a spotter when you must back
- D Have students guide you
- A Drive faster to clear it quickly
- B Stop and check clearance — never assume
- C Ignore it; the bus is short enough
- D Honk and continue
- A Walk in the bus path
- B Stand in the road
- C Wait at least 10 feet from the road until the bus stops and the driver signals
- D Run to the bus when it appears
- A Open the rear door
- B Honk
- C Roll down all windows
- D Activate the alternating red lights and stop signal arm
- A Drive on the shoulder
- B Wait until students have moved at least 10 feet from the bus and then check mirrors before pulling away
- C Pull away as the door closes
- D Honk and drive
- A Reporting absences
- B How to handle parents at stops
- C All of the above
- D Loading and unloading procedures, route timing, and emergency contacts
- A Behavior that disrupts the safety of the bus
- B Mechanical defects discovered during the trip
- C Accidents involving the bus or students
- D All of the above
- A In the bus garage
- B At fueling stops
- C During loading and unloading near the bus
- D On the highway during the trip
- A Watch the danger zone, especially in front, until all students are clear of the area
- B Quickly close the door
- C Move the bus while students are crossing
- D Pull away as soon as the door is closed
- A Students are noisy
- B 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
- C There is heavy rain
- D A passenger forgot a backpack
Study tips for the South Dakota School Bus exam
The School Bus portion of the South Dakota CDL exam is graded out of the bank of questions the South Dakota Driver Licensing Program draws from each year. While the exact bank is not published, every question is sourced from the School Bus chapter of the South Dakota 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 South Dakota 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 South Dakota Driver Licensing Program 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 South Dakota 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 South Dakota 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 South Dakota Driver Licensing Program office.
Already comfortable with this endorsement? Drill another: SD General Knowledge · SD Air Brakes · SD Combination Vehicles · SD Hazardous Materials · SD Passenger · SD Tank Vehicle · SD Doubles / Triples
New to the CDL process in South Dakota? Read How to apply for a CDL in South Dakota for the document checklist and step-by-step timeline.