Gru's School

Despicable Me 2
Gru has a flashback of when he attempted to ask Lily out at his school's playground. When Gru touches Lisa to grab her attention, everybody in the playground panics and runs away from Gru. Gru ends up devastated and harbors this tragic memory to adulthood.

Trivia

 * It is unknown what grade-level(s) this school fosters. It is assumed to be Kindergarten-Elementary School