Detention

Teacher Sam Decker (Dolph Lundgren) doesn't care anymore. He's quitting. Sam marks his last day in the battleground of public education by getting stuck with the detention class after hours, playing warden to a group of rebellious students who hate authority! But Hamilton High is about to become an all too real battleground when a well-organized group of killers armed with automatic weapons use it as an operating base for an armed car robbery. Sam and the detention students band together against the thugs and discover a sinister conspiracy that reaches to the police department and even the highest level of government. But Sam Decker still has a few tricks to teach the kids...the lesson is survival! (official distributor synopsis)