The National Advocate for People with Down Syndrome Since 1979

National Down Syndrome Society
666 Broadway, 8th Floor
New York New York 10012

The mission of the National Down Syndrome Society is to be the national advocate for the value, acceptance and inclusion of people with Down syndrome.

NDSS Helpline


Monday-Friday 9-5 ET in 150 languages More

  • DS-Ambassador Program DS-Ambassador Program Volunteer to advocate and commit to take part in the democratic process! NDSS DS-Ambassadors serve as liaisons between NDSS and their respective US Senators and US Representatives to continually raise awareness, educate and advocate for public policy solutions that benefit the Down syndrome community at the federal level. Read More »
  • NDSS en Español NDSS en Español NDSS is committed to serving all members of the Down syndrome community and we are proud to offer a selection of our resources in Spanish. Please visit this section for a variety of topics for Spanish speakers, including About Down Syndrome, Healthcare, Early Intervention, Therapies & Development, Education and more! Read More »
  • My Great Story Campaign My Great Story Campaign Are you inspired by someone who has Down syndrome? Share your story! The My Great Story campaign invites self-advocates, their family members, friends, teachers, coaches, therapists and more to share a story and help ignite a new way of thinking about people with Down syndrome. Read More »
  • Early Intervention Early Intervention The first years of life are a critical time in a child's development. All young children go through the most rapid and developmentally significant changes during this time. Children with Down syndrome typically face delays in certain areas of development, so early intervention is highly recommended. Read More »
  • National Buddy Walk® Program National Buddy Walk® Program The Buddy Walk® was established in 1995 by the National Down Syndrome Society to celebrate Down Syndrome Awareness Month in October and to promote acceptance and inclusion of people with Down syndrome. Read More »
  • Webinar Series Webinar Series Each month, NDSS provides a free educational web-based seminar, or webinar, to anyone who is interested in learning more about Down syndrome and related topics, such as health, education, research and family life. Read More »
  • Buddy Walk
  • NDSS Yourway
  • My Great Story
  • NDSS DS-Ambassadors