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Key Facts: CT CDL School Bus Exam

20 / 16

Questions on the Connecticut School Bus knowledge test, and correct answers needed to pass

CT DMV commercial learner's permit page

P + S

Endorsements required on a CDL to drive a Connecticut school bus with students

CGS 14-276; CT DMV public passenger endorsement page

100 ft

Minimum distance amber lights must show before a Connecticut school bus stops

CGS 14-277

$450

First-offense fine for failing to stop for a school bus with flashing red lights

CGS 14-279

50 / 40 mph

School bus speed limit on divided limited-access highways / all other highways

CGS 14-281a

30 ft

How far the danger zone can extend in front of a school bus

Connecticut CDL Manual Section 10.1.1

Prepare for the Connecticut CDL School Bus (S) endorsement with independent practice on Section 10 of the CT DMV manual and Connecticut school bus law. The knowledge test has 20 questions and needs 16 correct. Key facts include danger zones of up to 30 feet in front, stopping 15 to 50 feet from the nearest rail, amber lights at least 100 feet before a stop under CGS 14-277, the 10-foot stop and $450 first-offense fine under CGS 14-279, and 50/40 mph school bus speed limits.

Sample CT CDL School Bus Practice Questions

Try these sample questions to review concepts for the CT CDL School Bus exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 199+ question experience with AI tutoring.

1How does the Connecticut DMV commercial learner's permit page describe the School Bus endorsement knowledge test?
A.25 questions, with 20 correct needed
B.30 questions, with 24 correct needed
C.20 questions, with 16 correct needed
D.50 questions, with 40 correct needed
Explanation: CT DMV says the combination vehicle, school bus, passenger, tanker, and doubles/triples endorsement tests have 20 questions each, and 16 correct answers pass (80 percent). A school bus driver also takes the general knowledge and passenger tests, plus air brakes if the bus has them.
2Under CGS 14-276 and CT DMV's public passenger endorsement rules, what must a driver hold to operate a registered school bus that is transporting school children?
A.A CDL with both P and S endorsements
B.A CDL with an S endorsement but no P endorsement
C.A Class D license with a V endorsement
D.A CDL with P and F endorsements
Explanation: CGS 14-276 says registered school buses carrying school children must be operated by holders of a valid passenger and school endorsement, held in addition to the CDL. CT DMV likewise says a CDL with a P endorsement is required in addition to the S endorsement.
3A CDL holder without the school bus endorsement needs to move an empty school bus to the repair shop. What does CGS 14-44(a)(2) allow?
A.Nothing; only an S-endorsed driver may ever drive a school bus
B.Driving it only inside the carrier's own fenced yard
C.Driving it on public roads only behind a police escort
D.Driving it without passengers to road test or move it
Explanation: CGS 14-44(a)(2) says no one may operate a school bus without a CDL with a school bus endorsement, except that a CDL holder without the endorsement may operate a school bus without passengers to road test or move the vehicle.
4A trainee's Connecticut CLP carries a School Bus (S) endorsement. Under the CLP restriction in Section 1 of the Connecticut CDL Manual, who may ride while the trainee drives the school bus?
A.Students, if a licensed driver sits directly behind the trainee
B.Only auditors, inspectors, examiners, trainees, and the CDL holder
C.Students on activity trips, but not on home-to-school routes
D.Nobody at all, not even the supervising CDL holder
Explanation: A CLP holder with an S endorsement may not operate 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, as 49 CFR 383.25(a)(1) provides.
5Besides state and national criminal history checks, what extra check does CGS 14-44(e) require of an applicant for a public passenger endorsement to operate a school bus?
A.A review of the applicant's credit history by the carrier
B.A polygraph interview with a DMV inspector
C.A check of the state child abuse and neglect registry
D.A home visit by the local board of education
Explanation: CGS 14-44(e) requires each applicant for a public passenger endorsement to operate a school bus or student transportation vehicle to submit to a check of the state child abuse and neglect registry. If the applicant is listed as a perpetrator of abuse, the commissioner may refuse the endorsement.
6An applicant's school bus endorsement background check is still pending, and a carrier asks whether DMV can issue a temporary endorsement in the meantime. What does CGS 14-44(e) say?
A.No temporary school bus or STV endorsement may be issued
B.A 90-day temporary endorsement may be issued
C.A temporary endorsement may be issued if the carrier co-signs
D.A temporary endorsement may be issued for activity trips only
Explanation: CGS 14-44(e) says the Commissioner of Motor Vehicles shall not issue a temporary operator's license bearing a public passenger endorsement for operating a school bus or student transportation vehicle. The checks must be completed first.
7After CT DMV approves the background check, what extra document does its public passenger endorsement page require for the S endorsement, compared with the V endorsement?
A.S: a road skills waiver; V: proof of 10 hours of driving
B.S: an R-360 training certificate; V: a passed proficiency test
C.S: a carrier letter; V: a DOT medical card dated within 30 days
D.S: a passed proficiency test; V: an R-360 training certificate
Explanation: CT DMV says that when you appear with your approval letter, the S endorsement requires proof that you passed a proficiency test, and the V endorsement requires the R-360 safety training certificate, which school bus companies can provide.
8Under CGS 14-276a(b), what happens if your school bus proficiency road test is given in a school bus with a gross vehicle weight rating (GVWR) of 26,000 pounds or less?
A.You may then drive a school bus of any size
B.You may not drive school buses over 26,000 pounds GVWR
C.You must retest each year in a larger school bus
D.You may drive larger buses, but only on activity trips
Explanation: Since a July 2024 amendment, CGS 14-276a(b) says a person given the road test in a school bus with a GVWR not exceeding 26,000 pounds is not eligible for a license to operate a school bus with a GVWR over 26,000 pounds. Test in the type of bus you will drive.
9A new school bus driver brings a letter from the school bus company that is hiring them. Which fees does the CT DMV CLP page say that letter waives?
A.General knowledge test, CLP, and skills test fees
B.Every DMV fee, including each endorsement test
C.Only the $70 fee for the new CDL card
D.Only the cost of the DOT medical exam
Explanation: CT DMV says a school bus endorsement applicant needs an employer letter to have the general knowledge test ($16), commercial learner's permit ($20), and skills test ($30) fees waived. The applicant still pays the $5 endorsement test fees, such as for air brakes, passenger, and school bus.
10Under CGS 14-276(a), a person 70 or older may hold a passenger and school endorsement if they meet DMV's physical requirements and agree to what?
A.A DMV road test every year
B.Driving only during daylight hours
C.A physical at least twice a year or on request
D.A full physical examination once every four years
Explanation: CGS 14-276(a) allows a person who has reached 70 to hold a passenger and school endorsement if they meet the commissioner's minimum physical requirements and agree to a physical examination at least twice a year, or when requested by the superintendent of the school system where they will drive.

About the CT CDL School Bus Exam

The Connecticut CDL School Bus Endorsement Test is the CT DMV knowledge test for drivers who will operate a school bus. It covers Section 10 of the Connecticut Commercial Driver's License Manual: danger zones and mirrors, loading and unloading, emergency evacuation, railroad-highway crossings, student management, antilock brakes, and special safety considerations. This free bank by OpenExamPrep offers independent practice on that material and on Connecticut's school bus statutes and endorsement rules.

Exam sponsor: Connecticut Department of Motor Vehicles (CT DMV). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Connecticut school bus drivers need a CDL with both P and S endorsements. Applicants pass the general knowledge, Passenger, and 20-question School Bus knowledge tests (plus air brakes if equipped), complete ELDT, and pass the skills and school bus proficiency tests in the appropriate type of school bus, including a student discharge demonstration. The public passenger endorsement also requires fingerprinting, state and national criminal records checks, a child abuse registry check, and a recent physical. This bank is an independent English-language multiple-choice study aid, not an official CT DMV test copy or simulation.

Time Limit

not-published

Passing Score

80% (16 of 20 correct)

Exam / Certification Fees

$5 School Bus endorsement test; $16 general knowledge, $20 CLP, and $30 skills test fees waived with a school bus company letter

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 zone distances, the always-dangerous left side, and adjusting flat, convex, crossover, and overhead mirrors.

Manual Section 10.2

Loading and Unloading

Stop approval, light timing, stopping position, securing the bus, counting students, departure order, crossing steps, child checks, and post-trip inspection.

Manual Section 10.3

Emergency Evacuation

Mandatory evacuations, safe places, hazmat and railroad distances, tornado procedures, student assistants, and getting help.

Manual Section 10.4

Railroad-Highway Crossings

Crossing types and signs, the stop procedure, multiple tracks, gates, stalled buses, signal malfunctions, and containment space.

Manual Sections 10.5 to 10.7 and 11.3

Student Management, ABS, and Special Safety

Discipline steps, ABS, strobe lights, high winds, backing, tail swing, and inspecting student lights and emergency kits.

CGS 14-44, 14-275 to 14-281b; CT DMV

Connecticut School Bus Law and Licensing

Endorsements, background checks, fee waivers, proficiency testing, drug testing, signal and stopping rules, passing penalties, idling, and speed limits.

Preparing for the CT CDL School Bus Exam

What You Need to Know

  • Passing score: 80% (16 of 20 correct)
  • Assessment: Connecticut school bus drivers need a CDL with both P and S endorsements. Applicants pass the general knowledge, Passenger, and 20-question School Bus knowledge tests (plus air brakes if equipped), complete ELDT, and pass the skills and school bus proficiency tests in the appropriate type of school bus, including a student discharge demonstration. The public passenger endorsement also requires fingerprinting, state and national criminal records checks, a child abuse registry check, and a recent physical. This bank is an independent English-language multiple-choice study aid, not an official CT DMV test copy or simulation.
  • Time limit: not-published
  • Exam / certification fees: $5 School Bus endorsement test; $16 general knowledge, $20 CLP, and $30 skills test fees waived with a school bus company letter Official sources

Using Our Practice Resources

  • Work through all 199 available questions
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CT CDL School Bus: Suggested Study Strategy

1Read Section 10 of the Connecticut CDL Manual (R-295 Rev. 12/2024) and the school bus items in Sections 11.3 and 13.1.10.
2Memorize the distances: danger zones up to 30 feet in front and 10 feet elsewhere, 15 to 50 feet from the nearest rail, hazard lights about 200 feet before a crossing, 100 feet off the road for a safe place, and 300 feet upwind for a hazmat spill.
3Know the order for leaving a stop: close the door, engage the transmission, release the parking brake, turn off the red lights, signal left, check the mirrors, and let traffic disperse.
4Learn the Connecticut statutes: amber lights at least 100 feet before a stop (CGS 14-277), the 10-foot stop and $450 fine (CGS 14-279), and 50 mph on divided limited-access highways or 40 mph elsewhere (CGS 14-281a).

Frequently Asked Questions

How many questions are on the Connecticut CDL School Bus test?

CT DMV lists the School Bus endorsement knowledge test at 20 questions. You need 16 correct answers (80 percent) to pass.

Which endorsements do I need to drive a school bus in Connecticut?

CGS 14-276 and CT DMV require a CDL with both the Passenger (P) and School Bus (S) endorsements. The S endorsement is a public passenger endorsement that requires fingerprinting, state and national criminal records checks, a child abuse and neglect registry check, and proof that you passed a proficiency test.

Are any Connecticut CDL fees waived for school bus drivers?

Yes. CT DMV says a letter from your school bus employer waives the general knowledge test, commercial learner's permit, and skills test fees. You still pay the $5 endorsement test fees, such as for Passenger and School Bus.

What Connecticut laws apply when a school bus stops for students?

Under CGS 14-277, a bus with amber lights shows them at least 100 feet before stopping and does not open the door until approaching and overtaking traffic has stopped. Under CGS 14-279, other drivers must stop at least 10 feet away, and a first offense carries a $450 fine.

Is this practice test an official CT DMV examination?

No. This is independent practice by OpenExamPrep, written in English multiple-choice format from the Connecticut CDL Manual, CT DMV pages, and the Connecticut General Statutes. It is a study aid, not an official CT DMV test copy or simulation, and it does not replace the skills or proficiency tests.