Despite the prevalence of childhood trauma, few early education programs are prepared to help the more than 35 million children in the country who have experienced trauma, researchers say.
A new campaign reminds teachers of their positive impact on students who have been abused or have witnessed violence.
School districts are supposed to spend $400 million a year on those services.
School districts ask adults to model calm behavior.
The one-day training is seen as the first step in dealing with chronic trauma.
The first-of-its-kind lawsuit uses special education laws to demand trauma services.