OMG HELP PLEASE!!! GIRLS WANNA FIGHT!!! I THINK!!!?

Well ever since yesterday some girl have been looking at me and everything like if they wanna fight me!! But no, its not just one or two or six girls, its like 20 girls!! Well i don't know why they do because i don't know ANY of them!!! I mean did i do something wrong? Did i ever push or offend one of them? NO!!! Well i told my mom in a not-that-big-a-deal sorta way, and NOW she wants to go to the school and like talk to the principal!! Im like NO WAY and told her that its alright!! (I just got out of a fight 30 minutes ago with my friend Angela) What should i do so that she doesnt talk to the principal!! What should i say!!