zombie apocalypse

Intro Story time! You were listening to the teacher at science class till, you and your class mates heard a knocking sound at the door, the teacher didint hear it bcz it was raining heavily, as the knocking gets lounder... Thump, thump, thump.. CRASH! you went to look at the door.. and it wasnt human, it was a zombie, it made everyone scream, the zombie aimed forr the teacher, eating her, you and your friends ran out of the classroom, leaving the others, you guys/girls went inside an empty room, blocking the entrance.... will you survive?... friends: Robert, dave, Ava, Amy.