KS CDL School Bus common mistakes
KS CDL School Bus · Understand the traps and how to avoid them.
Stopping the bus at a railroad crossing without first opening the service door and checking the driver-side window, then pulling away before the door is fully closed.
Candidates memorize 'stop at crossings' but skip the door-and-window scan because it feels like an extra step under time pressure; the S endorsement test specifically checks whether you know the door must be opened to listen and look for a train.
What to do instead
Drill the full sequence until it is automatic: stop, put the bus in neutral (or park per state rule), set the parking brake, open the service door, look and listen out the driver-side window, close the door, then proceed only after confirming the track is clear. Say the steps aloud during practice rides.
Failing to activate the red flashing lights and stop arm before the bus comes to a stop and before students are released, or retracting them while students are still in the roadway.
Candidates treat the lights as decoration and switch them on late or off early; the S test checks the legally required timing relative to the stop and to student loading/unloading.
What to do instead
Practice the fixed order: activate amber warning lights in advance, stop, set the brake, activate red lights and stop arm, open the door, signal students to cross, count them off, close the door, then deactivate red lights only after everyone is clear of the roadway. Recite the order before each practice stop.
Loading and unloading without counting students, or leaving the bus while students are aboard without checking for sleepers and remaining children.
Counting feels like a formality, and the 'check for sleeping students' rule is easy to forget when the run ends; the S test includes a question on the post-trip walk-through and the driver's responsibility for every student.
What to do instead
Build a count-in/count-out habit and a mandatory rear-to-front aisle walk at the end of every trip, including a check under seats and in the back row. Practice narrating the count and the walk-through so it becomes a fixed routine.
Failing to identify when a school bus must stop for a railroad crossing versus when it is exempt, or misapplying the exception for crossings controlled by a police officer or signal.
The exemptions are narrow and conditional; candidates conflate 'controlled crossing' with 'no stop needed' and miss that the stop is still required unless specific conditions are met.
What to do instead
Study the exact conditions under which the stop may be skipped and test yourself with scenarios: uncontrolled crossing, crossing with a gate, crossing with an officer directing traffic. Confirm the rule against your state's CDL manual, since exemptions vary.
Answering passenger-endorsement questions on emergency evacuation as if evacuation is always the first action, rather than evacuating only when there is a fire, danger of fire, or a safer place to move passengers.
Candidates overgeneralize 'get them off the bus' and miss the priority order: stop, secure the bus, notify dispatch, then evacuate only if necessary, using the correct exit.
What to do instead
Memorize the decision sequence and the exit-selection logic (front door, rear door, emergency windows, roof hatch) and practice explaining when each exit is preferred based on the hazard location.
Loading and unloading passengers without securing the bus first - leaving it in gear, brake unset, or engine running while passengers board or exit.
Habit from driving a car carries over; the P endorsement test checks that the bus is stationary and secured before the door opens.
What to do instead
Practice a fixed 'secure first' checklist: stop, set parking brake, place in neutral or park, then open the door. Say it aloud each time until it is automatic.
Failing to check mirrors and blind spots correctly before changing lanes or pulling away from a stop, including not using the convex mirrors to cover the no-zone areas around the bus.
Candidates rely on the flat mirrors and forget the convex and crossing mirrors, and they check mirrors too briefly to actually see a vehicle in the blind spot.
What to do instead
Practice a deliberate mirror sweep - flat, convex, and crossing mirrors - before every lane change and departure, holding each check long enough to register a vehicle. Have a coach stand in the blind spots so you learn where they are.
Failing to perform the pre-trip inspection items specific to a school bus, such as checking the stop arm, red and amber lights, crossing gate, emergency exits, and the child-reminder system.
Candidates study the generic vehicle inspection and skip the school-bus-specific components; the road test requires demonstrating these before driving.
What to do instead
Build a written pre-trip checklist that includes every school-bus-specific item and rehearse it on the actual bus until you can demonstrate each component and state what a defect would mean.
Braking and turning too abruptly for passenger comfort, or failing to check that passengers are seated and secure before moving.
Nervous candidates focus on the examiner and forget the ride quality and passenger-safety checks that the road test scores.
What to do instead
Practice smooth acceleration, early gentle braking, and wide turns at low speed with a full bus or a coach aboard; add a verbal 'passengers seated?' check before releasing the brake.
Failing to demonstrate the correct procedure for a student who is crossing in front of the bus, including not signaling the student to wait until the driver's hand signal and not watching for the student to reach safety before moving.
The crossing procedure is a specific hand-signal and visual-confirmation routine that candidates often reduce to 'wave them across'.
What to do instead
Rehearse the exact signal sequence: signal the student to wait, confirm traffic is stopped, give the crossing signal, watch the student cross in front of the bus, and only move after the student is clear and accounted for.