On her first full day of preschool, Alexander Lane’s 3-year-old daughter stayed in the car for an hour at drop-off because she didn’t want to go inside. On the second day, she entered class in tears. But by the third day, she eagerly ran into the classroom. Starting preschool or kindergarten is a milestone, but also a source of anxiety for some children, including many who are experiencing their first extended period of time away from a parent or guardian.
