Limelighter
$1You may not get around memorizing music. Another way is to have someone record audio reading of the sheet music.
Would a CCtv help?
In the end, you may have to accept that your best adaptation is using non visual means of coping. This can mean longer completion times. That's OK and you do not have to keep up with the pack, so to speak. Your success and well being are far more important.
As blind persons we are special in that we find a way to do anything we want. As for the schools, they're required to make your experience the best for you. Hold them to that. It doesn't make you entitled. It makes you a self advocate.