Parents need help
What she described as bullying, isn’t bullying. It’s assault and battery and it’s criminal.
Take bullying seriously
if you are in a school as an adult – you NEED to learn what actually works to get bullying behavior to stop. Also, you need to take bullying seriously because left on its own this behavior escalates. We have decades of research on behavior that explains exactly how and why this happens. Stop being caught off guard, learn the science and start dealing with this appropriately – in other words, in a way that will actually help to make it stop because – you know the science of how to get behaviors to stop.