CDL School Bus Endorsement (S Endorsement)
The CDL School Bus Endorsement (S) is required for commercial drivers who transport school-aged children. It tests knowledge of danger zones, loading and unloading procedures, the 8-light warning system, emergency evacuation, and railroad crossing rules.
20
Questions
25 min
Time Limit
80%
To Pass
Checking for saved progress...
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds