The Substitute 2: School’s Out (1998) Karl Thomasson (Treat Williams), a former mercenary who goes undercover as a substitute teacher after his brother is murdered during a carjacking. Determined to protect his estranged niece and uncover the truth, Karl discovers the high school is plagued by gangs, crime, and corrupt staff. Using his military skills, he fights back against violent students and a criminal operation tied to the school’s auto shop teacher. Blending vigilante justice with family r