School assessments are geared to handle any academic issues. If the academics are ok, than school officials are not likely to get involved. However they may make referrals, but I can see you all ready have taken all kinds of action. I do not know if you are able locate another pediatric psychiatrist to get a second opinion or not?

Though I know this is situation different, it took my parents quite a while to get a proper diagnosis of a learning disability that was discovered I had. I would go with your gut, and if you believe that she has a problem beyond the scope of being a normal teen, I would encourage you not to give up.