New Mexico School Bus CDL Practice Test

This is a free 20-question practice test for the School Bus portion of the New Mexico 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 New Mexico Motor Vehicle Division 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 New Mexico.

Question 1 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 2 of 20

When a bus is in motion, students must:

Remain seated, facing forward, not block the aisle
Stand
Move around
Sit on the floor

Correct. Seated, facing forward, hands and feet to themselves, aisle clear. This protects them in any sudden stop.

Question 3 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 4 of 20

School-bus driver disqualifications can include:

Felony involving the use of a CMV, controlled-substance offenses, certain crimes against children — varies by state
None
Only speeding
Only parking violations

Correct. School-bus drivers face additional background-check standards. Convictions can permanently disqualify a driver from the S endorsement.

Question 5 of 20

The minimum distance the front bumper of a stopped school bus should be from waiting students at the stop:

At least 10 feet
As close as possible
At least 1 foot
At least 50 feet

Correct. Stop with the front bumper at least 10 feet from waiting students so they have to walk forward to enter the bus, ensuring the driver can see them.

Question 6 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 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

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 10 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 11 of 20

A school bus with red lights flashing and stop arm extended:

Tells approaching traffic to stop until the bus moves
Allows traffic to pass slowly
Has no meaning
Tells traffic to honk

Correct. Red flashers + stop arm = required stop for approaching traffic in both directions (with the divided-highway exception in some states).

Question 12 of 20

Drivers transporting students with special needs should:

Receive additional training, use proper lifts and securement, follow individualized plans (IEPs)
Have no special training
Skip securement
Drive faster

Correct. Special-needs transport requires extra training, equipment use, and adherence to individual plans (IEPs / 504 plans).

Question 13 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 14 of 20

When loading students at a bus stop in front of houses:

Watch for late students approaching from houses, count and recount before moving
Move quickly
Skip the count
Honk the horn

Correct. Late students may approach from houses or driveways. Count, watch mirrors, and pause before moving.

Question 15 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 16 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 17 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 18 of 20

During the loading process, students should:

Wait at the bus stop until the bus has fully stopped and the door is opened
Approach while the bus is moving
Cross before the bus stops
Run to the bus

Correct. Students wait until the bus has fully stopped, the parking brake is set, the door is opened, and the driver signals before approaching.

Question 19 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 20 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.

About the New Mexico 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 New Mexico Motor Vehicle Division 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 New Mexico CDL practice tests.