Asked why he gave up a successful law career to enter politics, Kao said, "I have always wanted to contribute some my life to the community where I grew up.
問：請問您在參政前的學經歷如何？答：我生長在台南縣，台南一中畢業之後，考上台大法律系。民國四十五年自台大畢業，參加司法官高考及格。