Codename: Kids Next Door - Season 3

Codename: Kids Next Door, commonly abbreviated to Kids Next Door or KND, is an American animated television series. In the opening of season 3 opens, Numbuh 4 learns taht he is to be sent to a boarding school. Then he learns that the school is being run by an evil kid called “Madame Margaret”, a girl who is getting high-tech aid from none other than her future self.