Jon Mark Preston has been named the Principal of Cheatham Elementary School beginning with the 2023-2024 school year. This is his 18th year in education, and he has served as the Assistant Principal at Olson Elementary since 2019. He also worked as a teacher at Curtis Middle School. Before joining Allen ISD, he served as Senior Associate of Assessment and Learning and as a secondary teacher for Austin ISD, as well as a teacher for Forney ISD.