Idaho School Bus CDL Practice Test
Below are 25 exam-style questions for the Idaho School Bus CDL knowledge test, modeled on the FMCSA-aligned content used by the Idaho Transportation Department Division of Motor Vehicles. 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 Use only four-ways
- B Maintain normal speed
- C Reduce speed to school zone limits and watch for children
- D Honk to clear the area
- A Stop and check clearance — never assume
- B Ignore it; the bus is short enough
- C Honk and continue
- D Drive faster to clear it quickly
- A All of the above
- B Loose objects that could become projectiles
- C More students than the seating capacity
- D Improperly stored hazardous items
- A Looser rules apply
- B Seat belts are optional
- C Standees are allowed
- D Same safety rules apply as the regular route
- A The blind spot directly in front
- B The blind spot directly behind
- C All of the above
- D The danger zone — 10 feet around the bus
- A Verify the door is fully open and the area is clear before allowing students to disembark
- B Open partway and rush
- C Allow students to push the door open
- D Skip the visual check
- A Quickly close the door
- B Watch the danger zone, especially in front, until all students are clear of the area
- C Move the bus while students are crossing
- D Pull away as soon as the door is closed
- A There is heavy rain
- 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 A passenger forgot a backpack
- D Students are noisy
- A Only oncoming traffic must stop
- B Traffic may pass
- C Traffic in both directions usually must stop, depending on the road configuration and state law
- D No traffic rules apply
- A 20 feet behind only
- B 10 feet around the bus
- C 5 feet on each side
- D The length of the bus
- A Skip the pre-trip
- B Reduce speed and increase following distance, and consider chains where allowed
- C Allow students to walk home
- D Maintain normal speed
- A Choose the safest exit (often the front door, away from the danger), evacuate students, and account for all of them
- B Evacuate from the closest exit regardless of danger
- C Send students out the rear
- D Wait for help
- A Be at a low speed and prepared to stop, watching for waiting students
- B Honk to scare them
- C Skip the stop if running late
- D Speed past
- A Go behind the bus
- B Cross diagonally
- C Walk in front of the bus to cross only after a driver signal and at least 10 feet from the bus
- D Walk to the curb, then to the home
- A Open the rear door
- B Roll down all windows
- C Activate the alternating red lights and stop signal arm
- D Honk
- A Crossover then door
- B Right flat then left flat
- C Door only
- D Left flat, left convex, crossover, right flat, right convex, then door
- A Have students guide you
- B Use only mirrors
- C Back at the same speed as forward
- D Avoid backing whenever possible; use a spotter when you must back
- A Idling in gear
- B Moving slowly
- C In reverse
- D Stopped with the parking brake set, transmission in neutral or park, and warning lights on
- A Crossing arms, stop signal arms, and red flashing lights
- B All of the above
- C Pre-trip inspection completed
- D Functional emergency exits
- A All of the above
- B Reporting absences
- C How to handle parents at stops
- D Loading and unloading procedures, route timing, and emergency contacts
- A Honk
- B Roll up windows
- C Open the door, turn off the radio and noisy fans, look and listen
- D Shift gears
- A Anywhere in the aisle
- B In the driver's area
- C Standing if the bus is full
- D Within seatbacks and using lap belts where installed
- A Wait at least 10 feet from the road until the bus stops and the driver signals
- B Walk in the bus path
- C Run to the bus when it appears
- D Stand in the road
- A Children playing or chasing balls near the bus stop
- B All of the above
- C Children riding bicycles near the stop
- D Children running across the street
- A Skip the lights
- B Use interior dome lights and ensure exterior lights and stop arm are visible
- C Use only the four-ways
- D Have students load without lights
Study tips for the Idaho School Bus exam
The School Bus portion of the Idaho CDL exam is graded out of the bank of questions the Idaho Transportation Department Division of Motor Vehicles draws from each year. While the exact bank is not published, every question is sourced from the School Bus chapter of the Idaho 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 Idaho 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 Idaho Transportation Department Division of Motor Vehicles 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 Idaho 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 Idaho 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 Idaho Transportation Department Division of Motor Vehicles office.
Already comfortable with this endorsement? Drill another: ID General Knowledge · ID Air Brakes · ID Combination Vehicles · ID Hazardous Materials · ID Passenger · ID Tank Vehicle · ID Doubles / Triples
New to the CDL process in Idaho? Read How to apply for a CDL in Idaho for the document checklist and step-by-step timeline.