Aww, you sound like a great parent! (Not sarcastic; I genuinely love that you did this.) I was in exactly the same position as your daughter, and I always wished my parents would let me wear taller shoes, not to beat height requirements, but just to help with the bullying. (Alas, I went to a Catholic school whose uniform requirements didn't allow "excessive shoe height.") I'm an adult now and never did catch up with my peers height-wise, but hopefully your daughter will have better luck than me in that department.
Back to your regularly scheduled conversation.