Ms. Gilliam has served as the assistant principal at the school for the past three years. Prior to serving at Glen Oaks, she was the Instructional Specialist at Webb Elementary School. She has also served as an elementary teacher at McNeil Elementary School, Slaughter Elementary School, and Wylie Intermediate School. She completed an administrative internship in 2003 and an administrative practicum in 2004. She is completing her eighth year with McKinney ISD. Ms. Gilliam earned a Bachelor’s Degree in Elementary Education from Texas A&M University – Commerce, and a Master’s Degree in Educational Administration from the University of North Texas.