Most Helpful Guy
What did you do after the cinema? I don't think cinema is a good place for a 5th date unless you went somewhere else afterwards, somewhere you could talk I mean. I realize it was her suggesting this but maybe you took too much time? It sounds genuine that she doesn't know what to do, and now that uni is about to start and nothing happened so far she probably thinks it must not be the right decision.
I think she still likes you but there is other stuff in her head now that's more important or let's say more urgent than continuing to work on a "potential" relationship that would only add more difficulties to her university life (I'm assuming she has to move for university?).