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Exam Review

Key Facts: AZ CDL School Bus Exam

80%

Minimum passing score on the Arizona School Bus knowledge test

Arizona CDL Manual / 49 CFR 383.135

30 ft

How far the school bus danger zone can extend from the front bumper

Arizona CDL Manual Section 10.1.1

100 ft

Minimum distance to run the amber lamps before a school bus stop in Arizona

A.A.C. R13-13-104(B)(1)

15-50 ft

Required stopping distance from the nearest rail at railroad crossings

Arizona CDL Manual Section 10.4.3 / A.R.S. 28-853

100 ft

Minimum distance off the road for a safe evacuation spot, toward oncoming traffic

Arizona CDL Manual Section 10.3.2

$250+

Minimum civil penalty for a first violation of Arizona's school bus stopping law

A.R.S. 28-857(G)

Study Section 10 of the Arizona Commercial Driver License Manual, the DPS school bus rules (A.A.C. R13-13), and A.R.S. 28-857 to prepare for the Arizona CDL School Bus (S) knowledge test, which requires at least 80%. Key facts include the 30-foot front and 10-foot side and rear danger zones, amber lamps for at least 100 feet, stopping 10 feet from students, crossing at least 10 feet in front of the bumper, evacuating to at least 100 feet away, and stopping 15 to 50 feet from the nearest rail.

Sample AZ CDL School Bus Practice Questions

Try these sample questions to review concepts for the AZ CDL School Bus exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.

1Under 49 CFR 383.123 and the Arizona CDL Manual, which other endorsement must a School Bus (S) applicant also qualify for?
A.The Tank Vehicle (N) endorsement
B.The Passenger (P) endorsement
C.The Hazardous Materials (H) endorsement
D.The Doubles/Triples (T) endorsement
Explanation: 49 CFR 383.123(a)(1) says a school bus endorsement applicant must qualify for the passenger vehicle endorsement by passing its knowledge and skills tests. The Arizona manual adds that school bus drivers must have both the P and S endorsements to operate a school bus.
2What score must you reach to pass the Arizona School Bus knowledge test?
A.70 percent
B.75 percent
C.80 percent
D.90 percent
Explanation: The Customer Service Guide in the Arizona CDL Manual says applicants must answer at least 80 percent of the questions correctly on each knowledge test, which matches 49 CFR 383.135. If you fail, you must wait until the next business day to retake it.
3What fee does the Arizona CDL Manual list for the School Bus endorsement itself?
A.$0.00
B.$5.00
C.$10.00
D.$25.00
Explanation: The Customer Service Guide lists the School Bus endorsement at $0.00 and the Passenger endorsement at $10.00. Adding a Passenger or School Bus endorsement through an MVD skills test carries a $5.00 skills testing fee.
4In what vehicle must an Arizona applicant take the skills tests for the School Bus endorsement?
A.Any Class B truck that has air brakes
B.A transit bus of any size or class
C.A school bus in the class you will drive
D.A 15-passenger van used by the district
Explanation: The Arizona manual says that if testing for a Passenger or School Bus endorsement, you must test in the class of bus or school bus you will drive. 49 CFR 383.123(a)(3) likewise requires a driving skills test in a school bus of the same vehicle group the applicant will drive.
5A CLP holder with a School Bus endorsement is practicing on a school bus with the supervising CDL holder aboard. Who else may ride along under 49 CFR 383.25?
A.Students who live along the training route
B.A test examiner evaluating the CLP holder
C.Parents chaperoning a school field trip
D.Teachers riding to a school sports event
Explanation: 49 CFR 383.25(a)(5)(ii) prohibits a CLP holder with an S endorsement from operating a school bus with passengers other than federal or state auditors and inspectors, test examiners, other trainees, and the CDL holder accompanying the CLP holder.
6A school district hires a driver who already has a CDL with a Passenger endorsement but has never held the School Bus endorsement. Under FMCSA's entry-level driver training rule, what applies?
A.No training, since the driver already holds the P endorsement
B.Only the district's own 14-hour DPS classroom course
C.No training, since ELDT covers only Class A applicants
D.S-endorsement training from a Training Provider Registry provider
Explanation: 49 CFR 380.609(b) requires anyone seeking a passenger (P), school bus (S), or hazardous materials (H) endorsement for the first time to complete that endorsement's training from a provider on the FMCSA Training Provider Registry. Holding P does not satisfy the S requirement, and Arizona's DPS classroom training under A.A.C. R13-13-102 is a separate certification requirement.
7Which topic does 49 CFR 383.123 require the School Bus knowledge test to cover?
A.State and federal laws on traversing railroad crossings
B.Reporting fuel taxes for interstate fleet operations
C.Coupling and uncoupling semitrailers and dollies
D.Reading hazardous materials placarding tables
Explanation: 49 CFR 383.123(a)(2) lists loading and unloading children (including stop signal devices, mirrors, and flashing lights), emergency exits and evacuation procedures, state and federal laws and regulations on safely traversing railroad-highway grade crossings, and other operating practices.
8According to Section 10.1.1, how far can the danger zone extend in front of a school bus's front bumper?
A.As much as 10 feet
B.As much as 20 feet
C.As much as 30 feet
D.As much as 50 feet
Explanation: Section 10.1.1 says the danger zones may extend as much as 30 feet from the front bumper, with the first 10 feet being the most dangerous. They also extend 10 feet from the left and right sides and 10 feet behind the rear bumper.
9How far does Section 10.1.1 say the danger zone extends from the sides of a school bus and behind its rear bumper?
A.5 feet from the sides and 5 feet behind
B.10 feet from the sides and 10 feet behind
C.10 feet from the sides and 30 feet behind
D.20 feet from the sides and 10 feet behind
Explanation: Section 10.1.1 says the danger zones extend 10 feet from the left and right sides of the bus and 10 feet behind the rear bumper, and as much as 30 feet from the front bumper. The area to the left of the bus is always considered dangerous because of passing cars.
10Besides the area directly behind the rear bumper, where does Section 10.1.3 say the outside flat mirrors have a blind spot?
A.Immediately below and in front of each mirror
B.Along the full length of the bus's left side
C.At the top of the rear window only
D.In the lane to the far right of the bus
Explanation: Section 10.1.3 says there is a blind spot immediately below and in front of each flat mirror and directly in back of the rear bumper. Flat mirrors are used to monitor traffic, check clearances, and watch students on the sides and to the rear of the bus.

About the AZ CDL School Bus Exam

The Arizona CDL School Bus Endorsement Test is given by ADOT MVD to drivers who will transport students. It covers Section 10 of the Arizona CDL Manual: danger zones and mirrors, loading and unloading, emergency evacuation, railroad crossings, student management, ABS, and special safety considerations. Arizona drivers must also meet DPS certification and operating standards in A.A.C. R13-13 and follow A.R.S. 28-857. This free bank by OpenExamPrep offers independent practice on that material.

Exam sponsor: ADOT Motor Vehicle Division (CDL testing); Arizona Department of Public Safety (school bus driver certification). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

The Arizona School Bus (S) endorsement requires passing the School Bus knowledge test on Section 10 of the Arizona CDL Manual with at least 80%, qualifying for the Passenger (P) endorsement, and passing skills tests in the class of school bus you will drive. To drive a school bus for Arizona schools, drivers also need a DPS school bus driver certificate under A.R.S. 28-3228, with fingerprint clearance, training, physical, and drug-testing requirements in A.A.C. R13-13-102. This bank is an independent English-language multiple-choice study aid, not an official test copy or simulation.

Time Limit

not-published

Passing Score

80%

Exam / Certification Fees

$0 School Bus endorsement; $10 Passenger endorsement; $25 Class A/B or $12.50 Class C CLP; $5 MVD skills-test fee to add P or S

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

Manual Section 10.1

Danger Zones and Mirrors

Danger zones up to 30 feet in front (the first 10 feet most dangerous) and 10 feet at the sides and rear, flat-mirror blind spots, and adjusting the flat, convex, crossover, and overhead inside mirrors.

Manual Section 10.2; A.A.C. R13-13-104(B)

Loading and Unloading

Right turn signal 100 to 300 feet before the stop, amber lamps for at least 100 feet under Arizona rules, stopping 10 feet from students, neutral and parking brake, red lamps and stop arm, counting students, crossing at least 10 feet in front of the bumper, and post-trip checks for sleeping students.

Manual Section 10.3; A.A.C. R13-13-104(D)

Emergency Exit and Evacuation

Mandatory evacuation conditions, a safe place at least 100 feet off the road toward oncoming traffic, upwind of any fire, at least 300 feet upwind of spilled hazardous materials, securing the bus, spinal injury precautions, and evacuation drills twice each school year.

Manual Section 10.4; A.R.S. 28-853; A.A.C. R13-13-104(B)(15)

Railroad-Highway Crossings

Passive and active crossings, hazard lights within 100 feet, sound sources off within 50 feet, stopping 15 to 50 feet from the nearest rail with or without passengers, the noise suppression switch, opening the door and left window, crossing in low gear without shifting, and the 200-foot no-loading zone.

Manual Sections 10.5 to 10.7

Student Management, ABS, and Special Safety

Handling behavior problems, never putting a student off except at school or the designated stop, braking with ABS, high winds, backing with a lookout, and up to three feet of tail swing.

A.R.S. 28-857, 28-3228; A.A.C. R13-13-102 and R13-13-104

Arizona School Bus Laws and Driver Certification

Stopping for school buses and the separate-roadway exception, penalties ($250 first; $750 and up to 6 months' suspension second; $1,000 and 6 to 12 months' suspension third within 36 months), required ADOT and DPS credentials, the fingerprint clearance card, minimum age 18, the eight-point limit, 14 classroom and 20 behind-the-wheel training hours, and DPS rules on wireless devices, fueling, and backing.

Preparing for the AZ CDL School Bus Exam

What You Need to Know

  • Passing score: 80%
  • Assessment: The Arizona School Bus (S) endorsement requires passing the School Bus knowledge test on Section 10 of the Arizona CDL Manual with at least 80%, qualifying for the Passenger (P) endorsement, and passing skills tests in the class of school bus you will drive. To drive a school bus for Arizona schools, drivers also need a DPS school bus driver certificate under A.R.S. 28-3228, with fingerprint clearance, training, physical, and drug-testing requirements in A.A.C. R13-13-102. This bank is an independent English-language multiple-choice study aid, not an official test copy or simulation.
  • Time limit: not-published
  • Exam / certification fees: $0 School Bus endorsement; $10 Passenger endorsement; $25 Class A/B or $12.50 Class C CLP; $5 MVD skills-test fee to add P or S Official sources

Using Our Practice Resources

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AZ CDL School Bus: Suggested Study Strategy

1Review Section 10 of the Arizona CDL Manual until danger zone distances, mirror adjustments, and loading steps are second nature.
2Memorize the stop sequence: right turn signal about 100 to 300 feet before the stop, amber lamps for at least 100 feet, stop 10 feet from waiting students, transmission in neutral with the parking brake set, then red lamps and stop arm before opening the door.
3After every unloading, walk the bus and check for sleeping or hiding students and items left behind.
4Know Arizona's railroad crossing rules: hazard lights within 100 feet, sound sources off within 50 feet, stop 15 to 50 feet from the nearest rail with or without passengers, open the door and left window, close the door before crossing, and never shift gears on the tracks.

Frequently Asked Questions

What credentials are required to drive a school bus in Arizona?

Under A.R.S. 28-3228, drivers of school buses designed for 16 or more passengers need the appropriate ADOT license class, a bus endorsement (school bus drivers need both P and S), and a DPS school bus driver certificate. DPS certification also requires a valid fingerprint clearance card, training, a physical examination, a physical performance test, and drug testing.

What is the penalty for illegally passing a stopped school bus in Arizona?

Under A.R.S. 28-857, the minimum civil penalty is $250 for a first violation. A second violation within 36 months carries at least $750 and a license suspension of up to six months, and three or more within 36 months carry at least $1,000 and a suspension of six months to one year.

What are the school bus danger zones taught in the Arizona CDL Manual?

Section 10.1.1 says the danger zones may extend as much as 30 feet from the front bumper (the first 10 feet being most dangerous), 10 feet from the left and right sides, and 10 feet behind the rear bumper. The area to the left of the bus is always considered dangerous because of passing cars.

Is this practice test an official Arizona DPS or ADOT examination?

No. This is independent practice by OpenExamPrep, written in English multiple-choice format from Section 10 of the Arizona Commercial Driver License Manual, Arizona statutes, and the DPS school bus rules. It is a study aid, not an official test copy or simulation, and it does not replace the required skills tests or DPS certification steps.