VIP Exclusive
School Bus Endorsement (S) VIP Certification Exam
School Bus Endorsement — The School Bus (S) Endorsement knowledge test is administered by state DMVs as part of the CDL licensing process under FMCSA guidelines (49 CFR Parts 383 and 392); most states require 20 questions with an 80% passing threshold (16 correct), covering loading/unloading, railroad crossings, emergency procedures, mirrors, and student management.
51
Questions
90m
Time Limit
80.00%
To Pass
Question 1 of 51👑 VIP
You are approaching a school bus stop on a two-lane road with no median or barrier. You activate your amber warning lights. According to federal CDL School Bus guidelines, at what point must you switch from amber warning lights to red warning lights and extend the stop arm?
Questions 2–51 and full explanations are VIP-exclusive.