Justin Hill is a PhD candidate at the Johns Hopkins University School of Education. His current research focuses on the connection between seasonal learning changes and student achievement gaps. He is interested in attempts to address these achievement gaps through educational policies—specifically, those focused on changes to instructional time and the improvement of instructional quality. Prior to pursuing his Ph.D. at Johns Hopkins, Justin worked as a classroom teacher in both the United States and South Korea. Justin holds a B.S. in Aerospace Engineering from the University of Maryland and an M.Ed. in Secondary Education from Lehigh University.