Autism is a serious mental disorder that impairs communication and social interaction. It affects approximately 1 in 68 children and is diagnosed through developmental screenings and comprehensive evaluations. Children with autism often have difficulties with social interaction, verbal and nonverbal communication, and repetitive behaviors. They may also have intellectual disabilities, attention issues, or physical health problems. Treatment approaches in schools include therapies like speech, occupational, and sensory therapy along with specialized programs and individualized education plans.