sorry,in my opinion she should have been removed..
I don't necessarily disagree - just trying to explain how an appeal panel might approach this, and what you should do.
I sat through too many appeals where the school's perception of what happened was significantly different from the child's. (Not saying this applies here - I wasn't there, so am in no position to judge.)
Well worth checking with the school now, while events are still fresh in the mind. Might also be worth asking other parents to see what they know. (If all the parents are saying "It was completely unacceptable.....
", the school - and the LA - will have to take note!)
An appeal panel is more likely to view a disturbance as significant if it led to numerous complaints at the time (not when an appeal is imminent!
If you think the school handled this badly, it's another good reason for talking to them.