He has two goals: An immediate one of rising to the first seat of the elite 10 (which his old man didn't achieve), and then later beat the man in a more direct cooking contest as well. The school as such meant little to him, although I think that's changing bit by bit when he's realising he's never going to beat Jouichirou if he doesn't broaden his horizons. Just a little while ago he thought he has no use for the school but to waste some time before going back to the restaurant. Now he knows he would never learn enough in the limited setting of a single restaurant, thus never being able to win against his dad who has travelled all over the world.