Agent Cody Banks: Destination London (2004)

A rogue CIA agent has stolen a top secret mind-control device and Cody has to go undercover in London to get it back. Posing as a student at an elite boarding school to get close to his suspects, Cody has to keep the other kids from discovering his true identity while infiltrating covert hideouts, spying on his sinister target--and going to class. With all-new gadgets, high-flying action, exciting chases, and a wisecracking new handler, Derek, Cody has to retrieve the device before the world's leaders fall under the evil control of a diabolical villain.