And, if I may ask, what stops you from playing more pieces?
Are the pieces you play at the moment perfect? Performance level? If so, what stops you from performing to friends and family (any place where there is a piano actually).
Initiative must come from you. A teacher is necessary to guide you some of the way, but you should have initiative. If you have learned how to tackle a number of pieces of a certain style/difficulty, you should be able to learn by yourself several other pieces of similar style/difficulty. If you expect a teacher to chew every single piece for you, it is going to take a long, very long time to amass any sizeable repertory.
By all means ask your teacher advice on what other pieces you should be tackling in parallel with his/her assigned work, and by all means, show him/her your progress on these extra pieces, and ask for his/her comments. But (and I am guessing here) if you have the usual 30 minutes weekly lesson, you cannot expect to depend only on the lesson time to learn new repertory, and I cannot really see how changing teachers may change this situation.
Of course I may be wrong in what I inferred from your post. If so, please give more details.
Best wishes,
Bernhard.
Topic: Re: Dilemma Regarding Teacher