Tiffany Guillory began her career as an elementary teacher in Goose Creek CISD where she spent five years before moving to Fort Bend ISD as a middle school mathematics teacher. In 2003 Ms. Guillory joined TEAM HISD at Westbury High School where she served as an Instructional Coordinator, Dean of Students, and Associate Principal. Prior to being named the Principal of Yates High School, Ms. Guillory served as the Dean of Instruction at Yates. She graduated from Lamar University with her Bachelor of Science and has a Master's Educational Leadership and Business Administration from LeTourneau University. She also completed the Rice University REEP Program.

Principal Guillory has been sovereignly selected to live her life-long goal of being a principal in an urban setting. Her faith, fortitude and fidelity are the facets of her personal and professional life that empower and encourage others to follow as she leads Jack Yates to GREATNESS. #ONE-VISION ONE-VOICE, ALL IN #WatchUsBeGreat@YATES.