Free CDL study tools
Free CDL School Bus Endorsement Practice Test
Free questions, clear explanations, and progress saved in this browser.
Your result
The knowledge-test pass mark is 80% under 49 CFR 383.135. This independent practice score does not predict an official result.
Review missed questions
Your progress and missed-question deck stay in this browser. No account or email is needed.
What should I study for the CDL school bus endorsement test?
A school bus applicant must qualify for the passenger endorsement, then cover loading and unloading children, warning devices, evacuation, and railroad crossings. The skills test is in a school bus of the same vehicle group. These questions explain 49 CFR 383.123 and 383.93 as checked October 29, 2026. They do not issue an endorsement.
Topics in this set
Passenger qualification, child loading, stop signals, evacuation, railroad crossings, and the school-bus skills test.
20 questions · Practice mode
Last source review: . Source editions and limits are described below.
10 sample questions and answers
Read these examples here, or practice the full set above. The wording is independent study material based on federal sources.
How many requirements does 49 CFR 383.123 name for a school bus endorsement applicant?
Answer: Three
The applicant must qualify for the passenger endorsement, pass the school-bus knowledge topics, and take a skills test in a school bus.
Report a problem with this questionWhat passenger-endorsement tests must a school bus applicant pass?
Answer: The knowledge and skills tests for the passenger endorsement
Qualifying for the passenger endorsement is the first of the three requirements.
Report a problem with this questionDoes the school bus endorsement replace the passenger endorsement?
Answer: No, the applicant must still qualify for the passenger endorsement
The school-bus section starts by requiring the passenger knowledge and skills tests.
Report a problem with this questionWhich loading topic is required for the school bus knowledge test?
Answer: Loading and unloading children, including stop signals, mirrors, flashing lights, and other required warning and safety devices
The knowledge list names those devices as required by state or federal law.
Report a problem with this questionWhat emergency topic must school bus applicants know?
Answer: Emergency exits and procedures for safely evacuating passengers in an emergency
Evacuation is a named knowledge requirement.
Report a problem with this questionWhich crossing laws are part of the school bus knowledge test?
Answer: State and federal laws and regulations for safely traversing railroad-highway grade crossings
Railroad-highway grade crossings are named in the knowledge list.
Report a problem with this questionDoes the school bus knowledge list stop after the named topics?
Answer: No, it also includes operating practices and procedures not otherwise specified
The last knowledge item covers practices the section does not list by name.
Report a problem with this questionWhat vehicle must be used for the school bus skills test?
Answer: A school bus of the same vehicle group as the bus the applicant will drive
The skills test must match the vehicle group in 49 CFR 383.91.
Report a problem with this questionWhich tests does 49 CFR 383.93 require for a school bus endorsement?
Answer: A knowledge test and a skills test
School bus is listed as knowledge and skills, separate from the passenger row.
Report a problem with this questionMay a commercial learner’s permit carry a school bus endorsement?
Answer: Yes, S is one of the endorsements allowed on a CLP
The CLP endorsement list is passenger, school bus, and tank vehicle.
Report a problem with this question
Sources and study scope
The bank uses original questions based on federal rules and FMCSA material. The questions use the 2025 annual CFR edition, with selected current eCFR references checked on October 28, 2026. It is not a complete review of every later amendment. Each explanation links to its federal source. State manuals are further-study links; no AAMVA manual text is reproduced.
The 80% knowledge-test pass standard comes from 49 CFR 383.135. This site’s practice pool and session lengths do not determine your state’s official test format.