OK, changing my post after getting to the part about abuse.:
Your parent’ s money belongs to them. They’ve earned it. It’s theirs. You don’t get to say how it’s spent once we get beyond your basic needs. The fact that you have access to a computer seems to indicate that there’s money on hand for at least the basics.
If you are in physical danger, your therapist should already have called CPS-- she is a mandated reporter and it’s part of her job. And, for what it’s worth, I think you should also mention the screen name you’ve chosen-- it doesn’t seem to me, based on the little we’ve read, that you’re in a particularly healthy emotional place.
Your best resource is probably your guidance counselor.
I hoe things get better for you.