Elizabeth Huntley recalls the day when her family’s life was turned upside down. “One day my mom woke up and she packed up all of our clothes, all five of us…and she took me and my younger sister who had the same father… down to my paternal grandmother’s house…and she left us there. She took my middle sister to a town near Birmingham, Ala., and left her there. She took my only brother and an older sister back to Huntsville and left them at a sister’s house. Then she went back to that housing...

In a house called “Johanna’s House” on a tree-lined side street in Vallejo, Calif., four women are filling out the adverse childhood experiences (ACE) survey given to them by Maria Guevara, the founder of Vallejo Together, an organization that serves homeless residents in Vallejo. The house was named for Johanna Dilag, a homeless woman who was found dead along with her dog.

Students start each day with meditation During her first year as principal of Suisun Elementary in Suisun City, Calif., in 2014 Ann Marie Neubert suspended 102 students — out of a student population of 550 —for disrupting their classes. It was a serious problem, but the school’s teachers didn’t know what to do. “[Teachers] felt like they were using all the tools in their toolbox and it wasn’t changing behavior,” she recalls. Ann Marie Neubert Too many students were spending too much time out...