F _DVD_ _2010_

"Welcome to the school of hard knocks"--A group of teachers and students are locked inside a school after hours as a gang of hooded killers intent on murder set out on a blood-soaked rampage. Chased through the dark corridors and classrooms, the ensnared group must outfight and outwit their brutal attackers in an escape bid that will push them to the very limits of survival.