If I Had Known I Was a Genius (2007)

An underestimated and completely misunderstood boy genius living with a dysfunctional family goes through a series of life challenges and doesn't think he fits in anywhere. He finds his true calling when his path collides with his drama teacher, who notices his special gift and potential to become an exceptional actor. He attempts to realize his dream of becoming an actor, but not without facing disbelief and contempt from his family and friends.