Childhood schizophrenia is a severe brain disorder that results in hallucinations delusions and disordered thinking and behavior. Childhood or very early onset schizophrenia is a rare mental disorder here we explain the condition and how it differs from adult schizophrenia. Childhood onset schizophrenia is a severe form of psychotic disorder that occurs at age 12 years or younger and is often chronic and persistently debilitating. Childhood schizophrenia is a severe brain disorder that results in hallucinations delusions and disordered thinking and behavior