Toy Soldiers

Toy Soldiers is a movie starring Sean Astin, Wil Wheaton, and Keith Coogan. A group of troublemaking boys decide to take a stand when terrorists seize control of their boarding school.
After federal agents arrest a drug czar and put him on trial, the cartel leader's vicious son storms a prep school and takes its students hostage. They rebel against the armed intruders and try to take back their academy by any means necessary.