The main goal of this disertation is to update knowledge about common activities of parents and adolescents in the context of family education (Gillern, 2009), which could help current counseling practices and expansion of knowledge about educational interactions in the family. The purpose of this study is to contribute to the knowledge of the effects of common realized interests of parents and adolescents, and to find out under what conditions and circumstances they occur. The theoretical part of this thesis consists of three chapters. First chapter deals with important adults during adolescence, the second chapter focuses on family upbringing while the third chapter deals with common activities during free time. The research part presents the results of quantitative research, supplemented by semi- structured interviews with several students. Adolescents were asked what activities they do in their free time, with whom they perform them, and how the actual implementation differs from their wishes. Current parenting styles according to the nine-field model were also examined. At the end of the work, the results of the research part are discussed and the findings of the research survey are summarized. Keywords Significant others, adolescents, parenting styles, common activities, free time