Gerrol Johnson is the principal of Hartman Middle School. Johnson began his educational career with HISD as a teacher and coach at Hartman in 1995. He served as an assistant principal for seven years, serving the school and the community for more than two decades. Johnson earned a bachelor of science in physical education from Mississippi Valley State University and a masters in educational administration from Prairie View A&M University. He attended the REEP Summer Institute for School Leaders at Rice University and also attended the Leading Exceptional Schools conference at University of Virginia.