Katherine Edmondson Hopper majored in science and minored in mathematics and history at Mary Washington College, graduating Phi Beta Kapa in 1929. She began teaching mathematics and science in Fairfax County public schools in 1931. After earning a master's degree in guidance and counseling from George Washington University, she became a school counselor in 1939 and eventually coordinated pupil services for all of Fairfax County. Katherine was active in professional organizations and served as president of the Virginia Education Association. In retirement, she served as Director of Governor's School at Mary Washington College. She was a member of the Mary Washington Board of Visitors and Foundation Board of Directors. In recognition of her service, the College honored her with the Alumni Association's Distinguished Alumnus Award in 1979 and an honorary doctorate of humane letters in 1984. Katherine died in 1999. She established a scholarship through a gift annuity residual and estate gift and with the assistance of her nephew, William Tulloh niece, Frances Ferguson, and other friends including alumna Rita Stone '52.