CDL School Bus

24 practice questions, split into sets of 50

Real CDL School Bus exam: 20 questions, 80% to pass

Free CDL practice test for the CDL School Bus. The CDL general knowledge test has 20 questions — work through 24 CDL practice test questions in English and Spanish to learn exactly how many questions are on the CDL test and what to expect. Administered by FMCSA with an 80% passing score requirement. Key topics include S endorsement requirements, Danger zone definition, Loading and unloading children, and more.