National Down Syndrome Congress website
NDSC promotes the interests of people with Down syndrome and their families through advocacy, public awareness, and information.
National Down Syndrome Society website
NDSS is the national advocate for the value, acceptance and inclusion of people with Down syndrome.
Down Syndrome Educational International website
DSE works with parents and teachers worldwide to improve educational outcomes for children with Down syndrome through scientific research, evidence-based resources and expert services.
My Child Without Limits website
My Child Without Limits provides resources for parents with children who have developmental delays.
National Center for Learning Disabilities website
NCLD provides an online resource for parents and educators on learning disabilities and related disorders.