National organization providing information and support to individuals, families and professionals dealing with neurological communication disorders on the autism spectrum including Nonverbal Learning Disabilities, Asperger's Syndrome, High-Functioning Autism, Semantic- Pragmatic Disorder, Hyperlexia, and PDD-NOS.

The Autism Research Institute (ARI), a non-profit organization, devoted to conducting research, and to disseminating the results of research, on the causes of autism and on methods of preventing, diagnosing and treating autism and other severe behavioral disorders of childhood.

The Council for Children with Behavioral Disorders (CCBD) is the division of the Council for Exceptional Children (CEC) committed to promoting and facilitating the education and general welfare of children and youth with emotional or behavioral disorders.

The center fosters the development and the adjustment of children with or at risk of developing serious emotional disturbance. The Center facilitates the production, exchange, and use of knowledge about effective practices.

The Council for Children with Behavioral Disorders (CCBD) is the division of the Council for Exceptional Children (CEC) committed to promoting and facilitating the education and general welfare of children and youth with emotional or behavioral disorders.

A free encyclopedia of mental health information designed by Canadian psychiatrist, Dr. Phillip Long. Also, provides an extensive range of mental health diagnosis and topic links.

The NAMI is a nonprofit, grassroots, self-help, support and advocacy organization of consumers, families, and friends of people with severe mental illnesses, such as schizophrenia, major depression, bipolar disorder, obsessive-compulsive disorder, and anxiety disorders.

The NMHA is the country's oldest and largest nonprofit organization addressing all aspects of mental health and mental illness.

The National Association of School Psychologists offers a great website on mental health, behavioral, and educational issues (materials available in English and Spanish).

The OCF is an international not-for-profit organization composed of people with obsessive compulsive disorder and related disorders, their families, friends, professionals and other concerned individuals.

The Center has been established by the Office of Special Education Programs, US Department of Education to give schools capacity-building information and technical assistance for identifying, adapting, and sustaining effective school-wide disciplinary practices.

PBS is the application of behavior analysis to achieve socially important behavior change. Scientifically based methods are applied in school and home settings to improve children and youth’s behaviors.

The Surgeon General report on Children's Mental Health outlines goals and strategies to improve the services for children and adolescents with mental health problems and their families.