There is no particular college course that you need to take in order to be a cabin crew. Most airlines accepts people from any course, we haven't seen a specific course preferred. Each course may have their advantages for anyone pursuing or who pursued a cabin crew career. We enumerate a few courses and how each may help you in your cabin crew career, both short term and long term.
There are actually a lot of courses out there and each does have their own advantage on someone's flight attendant career. This is the reason why one does not need to take any particular course to be a cabin crew. For as long as the airline sees you fit for the job, they will hire you.