District of Columbia School Bus CDL Practice Test

This is a free 20-question practice test for the School Bus portion of the District of Columbia Commercial Driver's License knowledge exam. Questions are pulled from a pool of 55 drawn from the AAMVA CDL Manual, which is the source document the District of Columbia Department of Motor Vehicles uses to write its actual exam.

How it works: Click an answer. The correct choice highlights in green, and you'll see a short explanation. Aim for 85% or better before you sit for the real test in District of Columbia.

Question 1 of 20

When approaching the bus stop, you should activate the alternating amber warning lights:

About 200 feet in advance (more in 50+ mph zones)
At the stop
After unloading
Only at night

Correct. Activate amber warning lights about 200 feet before the stop (further in higher-speed zones), giving traffic time to slow.

Question 2 of 20

A "post-trip" inspection of the school bus should include:

Walk every aisle, check every seat, check restrooms or rear compartments where applicable
Skip the walk-through
Look only at front
Skip seats

Correct. Post-trip = walk every aisle, check every seat, all compartments. Document on DVIR.

Question 3 of 20

Securing the bus at the end of the day:

Park in designated area, set parking brake, turn off engine and lights, secure all doors
Leave the engine running
Skip the parking brake
Leave doors unlocked

Correct. Standard end-of-day securement: parking, brake, engine off, lights off, doors secured. Walk through to ensure no children remain.

Question 4 of 20

When evacuating students, they should be moved to a safe area:

At least 100 feet off the roadway in the direction of oncoming traffic, away from the bus
Right next to the bus
Across the road
Anywhere

Correct. Move students at least 100 feet away, off the roadway, in the direction of oncoming traffic so they can see and be seen by approaching drivers.

Question 5 of 20

When you cannot account for all students after unloading:

Stop the bus, set the brake, search the danger zone and surrounding area immediately
Drive on
Continue route
Wait until end of route

Correct. Missing student requires immediate search. Stop, brake, search the bus and the area around it before continuing.

Question 6 of 20

When students must cross the road to reach or leave the bus, they should:

Cross at least 10 feet in front of the bus, where the driver can see them, only on the driver's signal
Cross behind the bus
Cross at any time
Cross at the rear

Correct. Crossing students walk at least 10 feet ahead of the bus, in clear view, after the driver signals it is safe.

Question 7 of 20

Before resuming travel after a stop, the driver should:

Mirror-check, count students, verify all are clear of the danger zone, deactivate the lights, then proceed slowly
Drive immediately
Only check the rear
Skip the count

Correct. Mirror sweep, count crossing students, verify clear danger zone, deactivate lights and stop arm, proceed slowly.

Question 8 of 20

A school bus must stop at every railroad crossing:

Yes, with limited exceptions
No, never
Only if a train is in sight
Only at night

Correct. School buses must stop at every railroad crossing 15 to 50 feet from the nearest rail. Open the entrance door and driver window, look and listen, then proceed without shifting gears.

Question 9 of 20

After unloading at the end of the route, the driver must:

Walk through the bus to check for sleeping or hiding students, lost items, damage
Skip the walkthrough
Lock and leave
Only check the front

Correct. Always walk every aisle and check every seat. Sleeping children left aboard a parked bus is a recurring tragedy that the post-trip walk prevents.

Question 10 of 20

When stopped at a railroad crossing in a school bus, the driver should:

Open the entrance door and driver window, look and listen for trains
Skip the door
Only honk
Drive across without stopping

Correct. Open door and window, eliminate noise from the bus, look both ways, listen for whistles and bells. Cross only when clear.

Question 11 of 20

The school bus stop arm:

Extends to signal traffic to stop while children load or unload
Is decorative
Is for parking
Is optional

Correct. The stop arm signals approaching traffic to stop. Drivers who pass a stopped school bus with red lights flashing face heavy fines.

Question 12 of 20

The school bus driver's relationship with students:

Should be respectful, calm, professional; consistent rule enforcement helps maintain safety
Should be punitive
Should be casual
Should be nonexistent

Correct. Respectful, calm, consistent enforcement of safety rules builds the cooperative culture that makes route operation safer.

Question 13 of 20

When the bus must stop because of crossing students, you should also:

Use the crossing-control arm (if equipped), signaling students to walk far enough in front of the bus to be seen
Skip the crossing arm
Have them walk behind
Have them run

Correct. The crossing-control arm extends in front of the bus, forcing students to walk where the driver can see them.

Question 14 of 20

When loading students at the stop, the driver should:

Account for every student, watch for late students from nearby houses, count and recount
Just open the door
Skip the count
Move quickly

Correct. Count students before, during, and after loading. Late students may approach in your blind spot.

Question 15 of 20

When you arrive at a school for unloading, you should:

Stop in the designated unloading area, set parking brake, follow school traffic-control instructions
Stop in the road
Drive into the school yard
Honk to clear traffic

Correct. School unloading is at designated stops with school staff and traffic-control patterns. Follow them.

Question 16 of 20

When loading wheelchair students:

Use the lift correctly, secure the wheelchair with 4-point tie-downs, use occupant restraints, ensure the lift is fully stowed before moving
Skip securement
Drive without securing
Use 1 tie-down

Correct. 4-point tie-down for the chair plus occupant lap and shoulder restraints. Verify lift stowed before moving.

Question 17 of 20

When backing a school bus, you should:

Avoid backing whenever possible; if you must back, use a helper, sound the horn, never back across a roadway, never back with students aboard if avoidable
Back at full speed
Back with no warning
Back across roadways

Correct. Backing in a school bus is the highest-risk maneuver. Avoid it. If required, use a helper, sound the horn, do not back across roadways, and ideally do not back with students aboard.

Question 18 of 20

A school bus driver should never:

Allow students to use the emergency exits as routine entry/exit points
Allow students to be seated
Use the parking brake
Stop at red lights

Correct. Emergency exits are for emergencies. Routine use is unsafe and may damage the door or trigger interlocks.

Question 19 of 20

During a fire on the bus, you should:

Stop in a safe area, evacuate students upwind from the fire, move them to a safe distance, call 911
Continue driving
Only fight the fire
Have students stay aboard

Correct. Stop, evacuate upwind to a safe distance (≥100 feet off the road), call 911. Use extinguisher only on small fires you can safely manage.

Question 20 of 20

Student management is important because:

Distracted driving by managing students causes crashes
It does not affect driving
Only the bus matters
Students never affect safety

Correct. Distracted driving from student-management issues is a leading cause of school-bus crashes. Pull off safely to address behavior.

About the District of Columbia School Bus exam

Most states administer 20 School Bus questions and require 80% to pass. The exam emphasizes loading and unloading procedures, the danger zone around the bus, emergency exit and evacuation procedures, railroad-highway crossings, and student management.

The District of Columbia Department of Motor Vehicles follows the federal CDL standards established by FMCSA. To earn the School Bus credential, you must answer at least 80% of the questions correctly. Many candidates score lower the first time because the test pulls from a large pool — refreshing this page will give you a different mix of questions, drawn from the same authoritative source.

Want more practice? Try the full School Bus question bank or browse all District of Columbia CDL practice tests.