Joey Pigza Swallowed the Key by Jack Gantos

To the constant disappointment of his mother and his teachers, hyperactive Joey has trouble paying attention or controlling his mood swings when his prescription meds wear off and he starts feeling wired. One mishap after another leads Joey first from his regular classroom to special education classes and then to a special education school. Finally, with medication, counseling, and positive reinforcement, Joey triumphs, in this comic, compassionate, and compelling tale.