Bill SheltonBill Shelton holds a PhD from the University of Kentucky and has taught AP(R) U.S. History for thirty-nine years, the last thirty-four at Trinity Valley School in Fort Worth. He has served as a reader, table, and exam leader and was he Assistant Chief Reader responsible for the introduction of the on-site and online scoring of the short-answer questions. He co-chaired the Test Development Committee and is a College Board Consultant for workshops and institutes throughout the United States and China. Read More Read Less