I was saying the other day that some people derive joy in hurting people. I can imagine how devastated your daughter must be if you are losing it at this point.
If you can write a petition against the school board and publish it on popular news sites, that might get there attention to reverse their judgement.
It's crazy that someone is taking away student's dreams and no penalty is charged against them.
Please think of your health. I'm sure this is one of those trials that lead to breakthroughs. You should see the positive in this situation.
You have to let go of your anger in order to see the good the future holds.