Celebrate World Down Syndrome Day! March 21, 2026. Image of a girl with Down syndrome. World Down Syndrome Day logo. NDSS logo.

Celebrate World Down Syndrome Day!

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Groups of advocates pose in front of the US Capitol Building

NDSS' mission is to create a world where individuals with Down syndrome thrive.

Still of a YouTube video featuring a man with Down syndrome wearing a dark sweater and a gold chain. The subtitles read, "The R-word"

Just Evolve Campaign

NDSS is partnering with CoorDown to present, "Just Evolve". This international awareness campaign is a call to action for all people, schools, organizations, companies, institutions, and the media to evolve our language around disability and commit to a full stop in using the R-word.

Watch the video
Two dragon boats with many team members race head to head. One boat has members that wear NDSS hats.

Washington DC Dragon Boat Festival

Join Team NDSS on Saturday, May 16, 2026 at Georgetown Waterfront Park! Take part in this unique experience while supporting NDSS' mission to create a world where individuals with Down syndrome thrive. Be sure to check out the dances, crafts, and amazing food while at the festival hosted by the Taiwan US Cultural Association (TUSCA).

Join Team NDSS!

National Down Syndrome Society
1155 15th Street NW
Suite 540
Washington, DC 20005

Telephone: 800-221-4602
(Mon-Fri, 9AM ET- 5PM ET)

Contact us
 

Toll-free NDSS Helpline:
800-221-4602