Summer has come to a close, at least according to the Philadelphia School District and other school calendars. Parents and caregivers have been in the throes of back-to-school shopping, backpack stuffing, and other preparations to get their kids ready to go back to school. For the approximately 200,000 Philadelphia students returning to school, there is undoubtedly a mix of emotions. For some it is disappointment over the end of the slower, laid back days of summer. For others it is excitement in thinking about their new teachers and classes and in seeing school friends they had not seen all summer. [...]