I'd prefer Luke not running a Jedi academy. He knows how dangerous the Force can be.

Could have a Jedi academy in the new movies, but Luke should not agree to run it, IMO. Maybe Leia could though; against Luke's advice maybe. There could be some sort of tension between them about this. But please no more Jedi endlessly walking on CG corridors, talking about how powerful some padawan is and how dangerous another is. We need adventure, fun, action, smart humor and tension. A little politic intrigue... yeah, why not, but in the background.