This paper, in its theoretical part, depicts some questions contained in the Program Katechezy Parafialnej Mlodziezy Szkól Ponadgimnazjalnych ('Programme of Parochial Catechesis for Secondary School Students'). They should be discussed at parochial catecheses (1). It also stresses the significance of liturgical celebrations in the catechesis (2). In its practical part (3) it provides concrete liturgical celebrations. They are considerable support for some questions that are proposed at parochial catecheses.