Most Common Developmental Disability Diagnoses

Angelman syndrome

• Angelman Syndrome Foundation
• Child Neurology Foundation: Angelman syndrome

Attention-deficit/hyperactivity disorder

• Attention Deficit Disorder Association (ADDA)
• ADDitude
• Brain and Behavior Research Foundation: ADHD
• Children and Adults with Attention-Deficit/Hyperactivity Disorder (CHADD)
• LD Online: ADHD
• TotallyADD
• Undivided: ADHD 101

Autism spectrum disorder

• The Asperger/Autism Network (AANE)
• Autism Intervention Research Network on Behavioral Health (AIR-B)
• Autism Research Institute
• Autism Society of LA
• Autism Spectrum Disorder Foundation
• Los Angeles Families for Effective Autism Treatment (LA FEAT)
• The Autism Community in Action (TACA)
• Autistic Self Advocacy Network (ASAN)
• Undivided: Autism 101
• Undivided: Support Organizations for Parents of Kids with Autism

Central auditory processing disorder

• Able Kids Foundation
• American Speech-Language-Hearing Association: Central Auditory Processing

Cerebral palsy

• Cerebral Palsy Alliance Research Foundation
• Cerebral Palsy Foundation
• Cerebral Palsy Guide
• Cerebral Palsy Research Network
• International Cerebral Palsy Society
• United Cerebral Palsy

CHARGE syndrome

• The CHARGE Syndrome Foundation
• Deafblind International CHARGE Network
• NORD - CHARGE Syndrome

Childhood apraxia of speech

• Apraxia Kids
• American Speech-Language-Hearing Association: Childhood Apraxia of Speech
• Child Apraxia Treatment
• PROMPT Institute

Down syndrome

• Club 21 Learning and Resource Center
• Down Syndrome Affiliates in Action
• Down Syndrome Association of LA (DSALA)
• Down Syndrome Resource Foundation
• Gigi's Playhouse
• Global Down Syndrome Foundation
• Lumind/IDSC
• National Down Syndrome Congress
• Undivided: Down Syndrome 101

Dyscalculia

• Dyscalculia.org
• LD Online: Dyscalculia
• Smart Kids With Learning Disabilities: Dyscalculia

Dyslexia

• American Dyslexia Association
• Decoding Dyslexia CA (and Los Angeles support group)
• The Dyslexia Foundation
• International Dyslexia Society
• The Yale Center for Dyslexia and Creativity
• Undivided: Dyslexia 101

Epilepsy

• Defeating Epilepsy Foundation
• Epilepsy Alliance America
• Epilepsy Foundation Los Angeles
• National Association of Epilepsy Centers
• Purple Day
• Undivided: Epilepsy 101

Expressive language disorder

• American Speech-Language-Hearing Association: Spoken Language Disorders
• Healthline: Expressive Language Disorders
• Understood.org: Expressive Language Disorders

Fragile X syndrome

• Families for Fragile X
• Fragile X Association of Southern California
• FRAXA Research Foundation
• National Fragile X Foundation
• Our Fragile X World

Hearing loss

• American Society for Deaf Children
• American Speech-Language-Hearing Association
• California Hands and Voices
• Handspeak
• Hearing Health Foundation
• Hearing Loss Association of America
• National Association of the Deaf

Landau-Kleener syndrome

• Child Neurology Foundation: Landau Kleffner Syndrome
• Epilepsy Foundation: Landau Kleffner Syndrome

Phenylketonuria

• National PKU Alliance
• National PKU News
• National Society for Phenylketonuria (NSPKU)

Prader-Willi syndrome

• Foundation for Prader Willi Research
• International Prader Willi Syndrome Organisation
• Prader Willi Foundation California
• Prader Willi Syndrome Association USA

Rett syndrome

• International Rett Syndrome Foundation
• Rett Dialogue

Sensory processing disorder

• Profectum: Sensory Processing Disorder
• Sensory Processing Disorder Resource Center
• STAR Institute
• Undivided: Sensory Processing Disorder and Sensory Diets

Spina bifida

• Lamin Keita’s Hope
• The Laurita Spina Bifida Project
• NICHD: Neural Tube Defects
• Spina Bifida Association
• Spina Bifida Resource Network

Tourette syndrome

• Child Neurology Foundation: Tourette Syndrome
• NJ Center for Tourette Syndrome
• Tourette Association of America
• Tourette Syndrome Camp USA

Vision impairment

• American Council of the Blind
• American Foundation for the Blind
• Little Bear Sees: Cortical Vision Impairment
• National Center on Deaf-Blindness
• National Family Association for Deaf-Blind
• National Federation of the Blind
• Pediatric Cortical Visual Impairment Society
• The Vision of Children Foundation

Williams syndrome

• Child Neurology Foundation: Williams Syndrome
• GARD: Williams Syndrome
• Williams Syndrome Association

For many diagnoses, including those not mentioned above, a great resource is the National Organization for Rare Disorders (NORD). For a support group inclusive of all diagnoses, check out Team Undivided for Parents, our private parents-only Facebook group.