After teaching junior high school mathematics for 10 years and serving as a high school principal for 14 years, Dr. Clarence Johnson conducted research as a doctoral student on improving the mathematics failure rates of African American students. You can read about his findings in Roll Call: 2012.
Dr. Clarence Johnson has been a career educator for the past 47 years. In his book Roll Call: 2012, he offers a plan for parents and junior high students that will lead to success in improving mathematics skills. Dr. Johnson's background as a successful junior high mathematics teacher and high school principal gives credence to his recommendations on improving and attaining mathematics skills.