Katherine Youngblood Glass was born in Buford, Georgia. Her father worked for General Motors as an assembly line worker. Her mother was a school secretary. As the first person in her family to go to college, Kathie worked her way through university and then law school.
At the age of 20, Kathie was graduated magna cum laude from the University of Georgia with a degree in English. She received many academic honors including Phi Beta Kappa. At the age of 23, she was graduated from the University of Georgia School of Law.