The PS 83 The Donald Hertz School app by School App Express enables parents, students, teachers and administrators of PS 83 The Donald Hertz School to quickly access the resources, tools, news and information to stay connected and informed! The PS 83 The Donald Hertz School app by School App Express features: - Important news and announcements - Teacher notifications - Interactive resources including event calendars, maps, a contact directory and more - Student tools including My ID, My Assignm