Ms. Stacey McMullen, M.E.T., Stacey McMullen earned her B.S. from The University of Southern Mississippi and her M.E.T. from The University of Texas at Arlington. She has taught mathematics for 32 years in public schools and is working on her 10th year in Dallas ISD as a math Advanced Placement Lead Teacher. She has been a College Board Consultant for the past 14 years. She has authored and published several math secondary games and is the recipient of the National Math and Science Award for Excellence in Teaching in mathematics for the state of Texas for 2012.