SUMMER IN THE VALLEY: Many high school students spend summers lounging around and enjoying their waning days of not having many real responsibilities. Not so for 17-year-old Fouad Matin, who spent his summer as an engineering intern for ClassDojo down in the Valley. His quippy recap of his experience there offers a host of lessons and insights that even us "adults" (ahem) in the frantic edtech startup space could well take note of.