1998 film by Giuseppe Tornatore

Léon, the top hit man in New York, has earned a rep as an effective "cleaner". But when his next-door neighbors are wiped out by a loose-cannon DEA agent, he becomes the unwilling custodian of 12-year-old Mathilda. Before long, Mathilda's thoughts turn to revenge, and she considers following in Léon's footsteps.

2004 film by Christophe Barratier

At an elite, old-fashioned boarding school in New England, a passionate English teacher inspires his students to rebel against convention and seize the potential of every day, courting the disdain of the stern headmaster.