Studying abroad or studying here in this country does not make much of a difference. What matters is the reputation of the institution you are studying in Like for example for an engineering student, studying in IIT, BIT and such other high profile institutions will be definitely good. Or IIMs for taking MBA etc. Read my blog navagrahastro.blogspot.in to understand how the horoscope influences one’s life.
There is no relation between the type of spouse and your further education.