King began her career in education as an instructor in chemistry and mathematics at West Virginia State High School, West Virginia State's laboratory high school. During the summers, she attended
Cornell University and paid her own tuition. She received a master's degree in
physical chemistry from Cornell in 1931. She taught at West Virginia State High School for eight years, until she was offered a teaching position as an associate professor at West Virginia State College. During the summer of 1939, King completed graduate coursework in education at the
University of Chicago. After the outbreak of
World War II, West Virginia State received an
Army Specialized Training Program (ASTP) unit in 1943 and 1944. King, one of West Virginia State's instructors for the ASTP soldiers, taught chemistry. Her dissertation was entitled
An Analysis of Early Algebra Textbooks Used in American Secondary Schools before 1900. King's master's thesis and doctoral dissertation were her only published research. In the
West Virginia State High School Reunion Booklet, 27 former students chose King as their favorite teacher; at least 20 of those students finished graduate school. King taught Johnson geometry in high school and mathematics in college, and continued to encourage Johnson in her mathematics studies. == Later life and death ==