National Down Syndrome Society (NDSS)
Toll Free: (800) 221-4602
The mission of the NDSS is to be the national advocate for the value, acceptance and inclusion of people with Down syndrome.
National Down Syndrome Congress (NDSC)
Toll Free: (800) 232-NDSC (6372)
The mission of the NDSC is to provide information, advocacy and support concerning all aspects of life for individuals with Down syndrome.
Down Syndrome Education International (DSEI)
Telephone +44 (0)300 330 0750
The mission of DSEI is to improve developmental and educational outcomes for children with Down syndrome by focusing on delivering measurable improvements in speech and language, reading and literacy, number and maths skills, memory and cognition, social development and educational attainment.
Down Syndrome Education USA (DSE USA)
Working in partnership with DSEI, DSE USA shares the same mission, to improve developmental and educational outcomes for children with Down syndrome.
Global Down Syndrome Foundation (GDSF)
GDSF is dedicated to significantly improving the lives of people with Down syndrome through research, medical care, education and advocacy.