While I was in college, I have a friend form Bhaktapur.
He told us that eventually he will be taking active part in his family business and I may not need to go to college but without college degree he can choose a bride ( it is a big no no, that is why there are many threads popping up )  , was  the only reason for his continuation of his study. 

May be major or part of the reason for all the motivations are ”to get a good looking or noble  female".