The aim of this paper is to investigate the connection between physical activity and participation in extracurricular activities of primary education students and to get an answer to the question of how many students engage in extracurricular activities and whether they are physically active outside of school. The research was conducted at the Mokošica Elementary School in Dubrovnik. The sample includes 70 students: 36 boys and 34 girls, of which only six students are from the third grade. The research was conducted with the signed consent of the parents. Students completed a questionnaire to assess the level of physical activity in the past 7 days. By physical activities, we mean only sports or dance activities that result in fatigue, but also games that include movements such as crawling, jumping, running, climbing... The questionnaire consists of 10 questions, and each question has answers provided. The students were given clear instructions before solving the questionnaire that there are no right or wrong answers and that they answer all the questions offered honestly and accurately. Basic descriptive parameters were calculated for all investigated variables: arithmetic mean (AS), standard deviation (SD), median (MED), coefficient of asymmetry (SKEW) and coefficient of curvature (KURT). The normality of the distribution was tested with the Kolmogorov-Smirnov test. From the results of the Sperman's rank correlation coefficient, it is evident that there is a statistically significant positive correlation in almost all variables used to assess students' physical activity and their participation in extracurricular kinesiology activities. The greatest connection is manifested in the variable physical activity per day, where there is a high positive correlation. Mann-Whitney U Test established the existence of statistically significant differences in physical activity.