As I highlight in my book, a major reason schools need to engage parents is to develop allies and respond to the many issues outside of the schoolhouse walls that affect academic achievement within them — health, unemployment, safety, etc.
Two new studies have just come-out reinforcing that view. You can read about them in these two articles:
Health Problems Fuel Achievement Gaps, Study Says comes from Education Week.
‘Education Does Not Begin Or End At The Schoolhouse Door’