NBC News' Hoda Kotbe interviews Pamela Cantor, M.D., actress Goldie Hawn, Superintendent Dr. Meria Joel Carstarphen, and Principal Peter DeWitt on what it takes to build safe and supportive schools.

Pamela Cantor, M.D. provides advice to parents on how to restore a sense of safety for children in the wake of the Sandy Hook Elementary School tragedy.

Guidance for parents in the aftermath of the Sandy Hook Elementary School mass shooting.

Children exposed to a traumatic event may be at higher risk for developing mental disorders.