Kazimierz Nycz was born in Stara Wieś. Nycz was educated at the primary school in Stara Wieś; Lyceum of Maria Skłodowska-Curie, Czechowice-Dziedzice where he graduated in 1967; he then entered the Major Seminary of Kraków. He received the diaconate from Cardinal Karol Wojtyła on 8 May 1972, and was ordained to the priesthood on 20 May 1973 by Bishop Julian Groblicki.
In 1976, he obtained a bachelor's degree at the Faculty of Theology of Papieska Akademia Teologiczna (Pontifical Academy of Theology), of Kraków. In 1977 he started his doctoral studies at the Catholic University of Lublin, where he earned a doctorate in catechetical studies in 1981 with a dissertation "Implementation of catechetical renewal of the Second Vatican Council in the Archdiocese of Kraków".
On 26 November 1999, he was named chairman of the Committee for Catholic Education; his main interest was to seek ways to find the opportunities offered by schools for catechetical activities and to search for forms of parish catechesis. As chairman of the Commission for Education of the Conference of the Polish Episcopate, the center of his activities was adapting the Polish catechesis to the post-Vatican II catechetical documents of the Church, especially the Catechism of the Catholic Church and the General Directory for Catechesis; and to correlate the teaching of religion in the school with the requirements of the reformed schools
He was appointed Bishop of Koszalin-Kołobrzeg on 9 June 2004.[1] On 3 March 2007, Pope Benedict XVI named Nycz, who was then on a pilgrimage to the Holy Land, to succeed Stanisław Wielgus as Archbishop of Warsaw,[2] after Wielgus had abruptly resigned on 7 January after admitting to he had collaborated with the Służba Bezpieczeństwa, the Communist secret police.[3] That agency's records showed that Nycz had repeatedly refused to enter their service.[4] His installation as Archbishop of Warsaw took place on 1 April 2007 at St. John's Cathedral.[citation needed] He was also named bishop to the Eastern Catholics in Poland on 9 June 2007.[5]