Ms Kornhauser-Duda was born on 2 April 1972 in Krakow.
She completed her secondary education at the Bartłomiej Nowodworski High School in Krakow.
Having received her General Certificate of Secondary Education in 1991, she commenced university studies at the Department of German Philology of the Jagiellonian University, which she completed in 1997 with the Master’s Diploma. After graduation, initially Ms Kornhauser found employment in a private firm, and subsequently from October 1998 to 2015 she worked as a German language teacher in Jan II Sobieski High School in Krakow. Next to her teacher’s responsibilities, Agata Kornhauser-Duda was among others in charge of organizing students’ exchange programme with schools from German speaking countries.
Since 1994, she has been married to Andrzej Duda. Mr and Mrs Duda have one daughter Kinga, who is currently a law student.