What do YOU think my chances of getting into an ivy league school are? What can i do to increase them?

Writing and Math ACT scores are a bit low. Your interests are varied but all over the place - there is a difference between well-rounded and 'obvious overachiever'. You don't want to look like your entire life is committed to doing stuff over doing things that interest you (quality over quantity). Make sure to apply to local schools, just in case. You are doing a fairly good job though, you can always try. :)