Supports for Children with ID
Star with The Arc, at https://www.thearc.org/. This is the largest national organization.
The website will direct you to chapters in your state. It’s likely there is one nearby.
The US Government has many resources in this area. Get to know the National Institutes for Child Health and Human Development (NICHD) at https://www.nichd.nih.gov/
A very useful report is at https://report.nih.gov/nihfactsheets/ViewFactSheet.aspx?csid=100
[This page was last updated by Robert Needlman, on 11-25-2018]