Heather C. Hill Heather C. Hill is a professor at the Harvard Graduate School of Education. Her work focuses primarily on teacher and teaching quality. Sort by: Newest Oldest Showing 1-1 of 1 July 13, 2016 50 years ago, one report introduced Americans to the black-white achievement gap. Here’s what we’ve learned since. A Harvard education professor explains how far we’ve come in answering some of the most important questions in education in the wake of the famous Coleman report.