Colorado School Bus CDL Practice Test
Below are 25 exam-style questions for the Colorado School Bus CDL knowledge test, modeled on the FMCSA-aligned content used by the Colorado Department of Revenue 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 Only at the start of the school year
- B Only when convenient
- C Once every 5 years
- D Up to date per state and federal rules
- A Within seatbacks and using lap belts where installed
- B In the driver's area
- C Standing if the bus is full
- D Anywhere in the aisle
- A Shift gears
- B Honk
- C Roll up windows
- D Open the door, turn off the radio and noisy fans, look and listen
- A Idling in gear
- B Moving slowly
- C Stopped with the parking brake set, transmission in neutral or park, and warning lights on
- D In reverse
- A Operate the lift while moving
- B Set the parking brake and ensure the lift is fully deployed before allowing boarding
- C Allow another student to operate the lift
- D Skip the parking brake
- A All of the above
- B Cross a railroad track without stopping
- C Allow students to remain seated during evacuation
- D Move the bus until all students are seated
- A Stop and check clearance — never assume
- B Ignore it; the bus is short enough
- C Drive faster to clear it quickly
- D Honk and continue
- A Use only four-ways
- B Allow students to cross without lights
- C Honk to clear traffic
- D Use the alternating red lights and stop arm to halt traffic
- A Move the bus while students are crossing
- B Quickly close the door
- C Watch the danger zone, especially in front, until all students are clear of the area
- D Pull away as soon as the door is closed
- A Maintain normal speed
- B Reduce speed and increase following distance, and consider chains where allowed
- C Skip the pre-trip
- D Allow students to walk home
- A Move them at least 100 feet upwind from the bus and away from the tracks
- B Have them wait next to the bus
- C Send them along the tracks
- D Have them sit in the road
- A Take charge calmly and direct students step by step
- B Wait for instructions only
- C Allow students to take charge
- D Leave the bus first
- A Move the bus immediately
- B Leave students unattended
- C Care for injured students, contact emergency services, and notify the school
- D Continue the route
- 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 Open partway and rush
- 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 Skip the visual check
- A Use only mirrors
- B Back at the same speed as forward
- C Have students guide you
- D Avoid backing whenever possible; use a spotter when you must back
- A All of the above
- B Functional emergency exits
- C Pre-trip inspection completed
- D Crossing arms, stop signal arms, and red flashing lights
- A Open from inside and outside as designed
- B All of the above
- C Be unobstructed
- D Be checked daily as part of pre-trip
- A Left flat, left convex, crossover, right flat, right convex, then door
- B Right flat then left flat
- C Door only
- D Crossover then door
- A Activate the alternating red lights and stop signal arm
- B Open the rear door
- C Roll down all windows
- D Honk
- A Cracks in mirrors
- B Damage that could endanger students
- C Loose parts
- D All of the above
- A Operate without working emergency exits
- B Operate the bus while distracted by passengers
- C Allow standees in the aisle
- D All of the above
- 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
- A Mirrors and adjustment
- B Lights and reflectors, including alternating red lights and stop arm
- C All of the above
- D Emergency exits and warning devices
- A Cross at any time
- B Run across
- C Walk close to the bus where the driver can see them, after a hand signal from the driver
- D Cross behind the bus
Study tips for the Colorado School Bus exam
The School Bus portion of the Colorado CDL exam is graded out of the bank of questions the Colorado Department of Revenue 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 Colorado 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 Colorado 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 Colorado Department of Revenue 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 Colorado 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 Colorado 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 Colorado Department of Revenue Division of Motor Vehicles office.
Already comfortable with this endorsement? Drill another: CO General Knowledge · CO Air Brakes · CO Combination Vehicles · CO Hazardous Materials · CO Passenger · CO Tank Vehicle · CO Doubles / Triples
New to the CDL process in Colorado? Read How to apply for a CDL in Colorado for the document checklist and step-by-step timeline.