0bama issued a directive that blacks are not to be charged with school crimes. Since this was a school event, the black attacker must not be punished.Whether it is during an event or outside, it is still an assault causing physical harm.
She should be arrested

Obama administration recommends ending 'zero-tolerance' policies in schools
Harsh school disciplinary policies have disproportionately affected black and Hispanic students. The Obama administration now is encouraging school administrators to end zero-tolerance policies and instead encourage teachers try to deescalate classroom conflicts, before law enforcement steps in...
