Maryland School Bus CDL Practice Test

This is a free 20-question practice test for the School Bus portion of the Maryland 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 Maryland Motor Vehicle Administration 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 Maryland.

Question 1 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 2 of 20

A school bus must have how many mirrors at minimum?

Standard side mirrors plus crossover mirrors that allow the driver to see the danger zone in front and on the right side
Just one
Just two
None

Correct. School buses have side mirrors plus crossover mirrors at the front so the driver can see the danger zone in front of the bus and on the right.

Question 3 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 4 of 20

A school bus must yield to:

Emergency vehicles with active lights and sirens
No vehicles
Only police
Only fire trucks

Correct. Pull over and yield to all emergency vehicles with active lights and sirens, just as any motorist does.

Question 5 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 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

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 8 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 9 of 20

A student misbehaves on the bus. The driver should:

Pull off safely if needed, address the behavior calmly, never engage physically; report per district policy
Argue back
Speed up
Throw them off

Correct. Pull off safely if behavior is dangerous to driving. Address calmly. Document and report per district policy. Never use physical force except to prevent immediate harm.

Question 10 of 20

Most school-bus fatalities of students happen:

Inside the bus
Outside the bus, in the danger zone, particularly during loading and unloading
In another vehicle
At the school

Correct. The majority of student deaths involving school buses occur outside the bus, often in the danger zone right after unloading.

Question 11 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 12 of 20

When you receive an emergency request to evacuate the bus, you should:

Calmly direct students to the appropriate exit, supervise an orderly evacuation, account for all students at the safe area
Panic
Run away first
Skip the count

Correct. Calm authoritative voice. Direct to nearest safe exit. Move to safe area at least 100 feet off road. Account for all students.

Question 13 of 20

When you change a flat tire en route with students aboard:

Move students to a safe location off the bus and away from the road
Have them stay aboard
Have them help
Have them stand near the tire

Correct. Move students to safety off the road during any tire change or breakdown. Risk of being struck or jack failure.

Question 14 of 20

Pre-trip inspection of a school bus should include:

All standard items plus emergency exits, signaling devices (red and amber lights, stop arm, crossing-control arm), wheelchair lift if equipped, first-aid kit, fire extinguisher, body fluid clean-up kit
Only the engine
Only the brakes
Only the seating

Correct. Standard CMV inspection plus school-bus-specific equipment: lights, stop arm, crossing arm, lift, kits, mirror condition.

Question 15 of 20

A school bus stopped on a highway during loading or unloading is protected by:

State laws requiring all approaching vehicles to stop (with limited divided-highway exceptions)
Federal law only
No law
State school district policy

Correct. State laws (informed by federal recommendations) require approaching vehicles to stop. Many states have stiff fines for passing a stopped school bus.

Question 16 of 20

When you approach a railroad crossing in a school bus, you must stop:

Between 15 and 50 feet from the nearest rail
On the tracks
100 feet ahead
Anywhere within 200 feet

Correct. Stop 15 to 50 feet from the nearest rail, open door and driver window, look and listen, then proceed without shifting gears.

Question 17 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 18 of 20

A school bus stop in low-light or poor-visibility conditions:

Activate flashers earlier, use additional lights if equipped, allow extra time for traffic to react
Skip flashers
Move quickly
Drive past

Correct. Reduced visibility means earlier flashers, more conspicuous stop, more time for traffic to react.

Question 19 of 20

A school bus must have functioning:

Emergency exits, all signal lights, stop arm, mirrors, fire extinguisher, first-aid kit, body-fluid clean-up kit, reflective triangles
Only the engine
Only seats
Only brakes

Correct. School-bus equipment list is more extensive than other CMVs. All items must be in working order.

Question 20 of 20

Speed limits in school zones apply to a school bus driver:

As they apply to all drivers — sometimes lower than posted highway limit
Do not apply to school buses
Are higher for buses
Are decorative

Correct. School-zone limits apply to school-bus operators just as to other drivers; observe posted reduced limits when in effect.

About the Maryland 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 Maryland Motor Vehicle Administration 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 Maryland CDL practice tests.