On pages 189-190, the Zeitoun kids are enrolled in a new school and are said to gain

sense of belonging

sense of safety

sense of purpose

For many, school is a routine. Most young people thrive on routine, and only have problems if that routine is broken. The girls had no constancy and were afraid, going to school would afford them a change of scenery, expectations, and a break from thinking about things they couldn't control. They were also in a situation where they had moved..... school would have provided friends their own age.