Well I doubt she would be able to be the dada teacher. I don't think we will really find out. I think J.K.R. Is going to focus on harry and his journey and finding who R.A.B. is and harry clearly said that he will not be returning to hogwarts. If they do talk about Hogwarts it will probably be briffly maybe talking to ginny or something like that.

(sorry about spelling mistakes)

~ELI~