Today's fast-paced lifestyle brought numerous challenges to schools and families too. More and more parents are employed, and there is a great need to take care of their children after regular school classes. As a result, there is a need to organize an extended stay in schools The subject of this master's thesis is the Extended stay of primary school students. The thesis itself consists of two parts. The first part is theoretical. The second part is devoted to quantitative research. The theoretical part encompasses major components of extended stay, the history of extended stay, organization, all the way to an important part of the teacher who works in extended stay. Quantitative research was conducted on the subject of this diploma thesis, Extended stay of primary school students, as already mentioned. The aim of the research was to find out the general attitude of parents of students about extended stay in schools that do not have organized extended stay and to obtain information on whether elementary schools without extended stay need extended stay. 57 respondents from a rural school in the Republic of Croatia, which does not have an organized extended stay, voluntarily participated in this research. For the implementation of this research, a questionnaire consisting of two parts was compiled. In the first part of the questionnaire, the data that had to be entered related to the socio-demographic characteristics of the respondents. The second part of the questionnaire also consisted of two parts. The first part of the second part of the questionnaire consisted of nine questions, while the second part consisted of a Likert scale of seven questions.