RESUMEN
INTRODUCTION: Life satisfaction involves cognitive component that allows evaluation of the life and accomplishments of life, and emotional component that includes an evaluation of emotions and mood that followed these accomplishments. GOAL: To examine the life satisfaction of young people who attend secondary school, examine the level of satisfaction with life according to sex, to academic achievement, the presence of siblings and to examine the relationship between levels of life satisfaction and risk-taking behaviors. RESULTS AND DISCUSSION: The results showed that there was no relationship between life satisfaction and preferences of delinquency, as well as life satisfaction and achieved academic success. The results confirmed the relationship between life satisfaction and sex as well as the relationship between life satisfaction and the presence of siblings in the family.