CDL School Bus (S) Endorsement Test
Endorsement rules: practice questions
Our CDL School Bus bank has 9 questions on this topic. Here are 3 of them with answers; the full mock exam draws from every topic, like the real one.
Question 1
A learner's permit holder with an S endorsement is training. Who may be on the school bus?
- Students on the regular route, as long as a CDL holder is aboard to supervise
- Up to 10 students
- Only examiners, auditors, inspectors, other trainees and the supervising CDL holder
- Students on the route home only
Show the answer
C. Only examiners, auditors, inspectors, other trainees and the supervising CDL holder — 49 CFR 383.25(a)(5)(ii): a CLP holder with an S endorsement may not operate a school bus with passengers other than federal/state auditors and inspectors, test examiners, other trainees and the accompanying CDL holder
Question 2
Which endorsement code shows a CDL holder may drive a school bus?
- T
- P
- S
- N
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C. S — 49 CFR 383.153(a)(9)(vi): S for school bus
Question 3
What tests does federal law require for the school bus endorsement?
- A knowledge test only
- A skills test only
- A first-aid test only
- A knowledge test and a skills test
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D. A knowledge test and a skills test — 49 CFR 383.93(c)(5): School bus, a knowledge and a skills test