903-745-4402
Email Andrew Cellars

Andy Cellars is entering his 28th year in education. Mr. Cellars is in his 1st year as the principal of Howe High School, having served for 5 years as the assistant principal. He served as a coach, Special Education and English teacher for 12 years at various school districts. His first experience in administration was an administrative intern in McKinney ISD before moving full time into administration in Anna ISD as a high school assistant principal . Mr. Cellars became the high school principal after three years in Anna and served in that role for another 3 years. After leaving Faith Family Academy as the principal, Mr. Cellars worked in Melissa ISD in the Special Education department. He received his B.S. degree from Stephen F. Austin and his M.Ed. from Dallas Baptist University. He also received his Superintendent certification through Lamar University. Mr. Cellars wife Malissa is an ARD facilitator with Grayson County Co-Op. They have 6 children and 5 grand-children. He is excited about being able to bring his years of experience to the Howe High School administrative staff!

903-745-4403
Email Rocky Smart

I have worked in various Texas school districts throughout my career as a teacher, coach, athletic director, and principal. I grew up in the Abilene, Texas area and I graduated with my bachelor's degree from Hardin-Simmons University. I later earned a master’s degree in Educational Leadership and Policy Studies from the University of Texas at Arlington and received my superintendent certification through Lamar University. My wife, Monica, serves as the Director of Financial Aid at Dallas Baptist University. We have two children and one grandchild. Our daughter, Ashlynn, also works in education and lives with her family in Little Elm, Texas. Our son, Rylan, is currently a student at Abilene Christian University and is expected to graduate in May 2026.