Continental.
Not hard to get bus licence.
First you need a B class ,to drive a Coaster bus.
Answer the questions and go for a drive in a Canter or Coaster(no big rigs required) to get your B,the repeat the process to get your F-----different set of questions.
You can drive a bus on a B class as long as their are no paying passengers--------eg,advertise a free ride to the airport.