AllMovie

Call it "Die Hard in a School," director Sidney J. Furie's Detention stars Dolph Lundgren as Sam Decker, a teacher who gets more than he bargained for on his last day on the job. Monitoring an after-school detention class filled with a ragtag bunch of young ruffians, Decker suddenly discovers that the school has been taken over by a gang of terrorists. Little do they know, Decker is a former Marine. With the odds stacked against them, Decker and his students attempt to thwart the bad guys' plans and make it out of the school alive.