This book presents the French results of the international survey on the health behaviors of school-aged children (HBSC survey) conducted under the auspices of the WHO. It reports the findings gathered in France from 8,185 students, ranging from fifth grade to the first year of high school, in 554 schools. The students completed a self-administered questionnaire regarding their perception of their health and well-being, their diet, their physical activity, their use of psychoactive substances, their sexual life, their school experiences, and their relationships with parents and friends. The information sheet for parents, the instructions for interviewers, and the survey questionnaire are provided in the appendix.