22 About SDN Children’s Services Who are we? SDN Children’s Services is a not-for-profit organisation that has been delivering quality early childhood education and child care, disability services, and family support services since 1905. We are proud of our long history of working with children and their families, working with communities, and supporting the development of practitioners and children’s services. With more than 600 staff across 30 sites in Sydney, regional NSW and the ACT, we are one of Australia’s most respected children’s services organisations. What we do SDN provides the following services: early childhood education and child care for children from birth to six years, across 23 centres therapies for children from birth to transition to high school, including services provided under the National Disability Insurance Scheme family support services to help children thrive in safe and supportive environments professional learning, supporting professionals in our sector through practical workshops.