Marco Learning's Founder and CEO, John Moscatiello, interviews Andrew Sharos about his experiences improving students AP scores. Andrew Sharos is an author, consultant, and keynote speaker who still works in a high school. For more thoughts on instructional methods in AP® and the award-winning turnaround story that made history in Andrew’s class, check out his book, “All 4s and 5s: A Guide to Teaching and Leading AP Programs.”