Continuity mistake: When the kids spying on the girls break the pipe, the pipe comes off of the wall. In the next shot it's fixed back on.
Continuity mistake: After Shirley is given her yellow slip back by the woman monitoring the stairs, the slip jumps from her right to her left hand between shots.
Continuity mistake: When Shirley shakes the metal gate after being told she wasn't accepted, the yellow slip in her hand vanishes between shots.
Continuity mistake: When Leroy storms out of class, the chair he kicks falls over twice between shots.
Continuity mistake: When Mrs. Sherwood is arguing with Leroy about his homework, she wads up the same sheets of paper twice.
Continuity mistake: When everyone is dancing in the street, a man in a yellow and black striped shirt changes from dancing on the street, to suddenly dancing on a car.
Continuity mistake: When Ralph auditions for the music teacher, the music teacher's actions with his pen are not continuous between shots.
Continuity mistake: During the street dance scene, Brono's father picks a fight with a guy from a Ryder Truck. During the fight, Bruno's Father knocks the guy's cap off his head. As the scene continues and the camera is pulling away, the guy is wearing the same cap that was knocked off his head.
Continuity mistake: When Bruno is in his father's cab, his father discusses how he doesn't have a girlfriend. The back window is steamed up in the closeup shots of Bruno, but when the camera moves to include both Bruno and his father in the same shot, the back window is now no longer steamed up.