这个句子完全整确,Either to study abroad or to study in my own country整个作为主语.
考虑到结构平衡的要求,to study in my own country必须与前面的to study abroad形式一致,所以to study in my own country的to study不能省略!
如果不想那么冗繁,可以改成：To study either abroad or in my own country…,这样就变成abroad和in my own country的平衡,可以省略一个to study.
再简化,可以用形式主语：It has their merits to study either abroad or in my own country.