The quality of life of students at school is an increasingly topical issue in relation both to public health issues, made more acute by the pandemic and successive confinements, and to the technical nature of future jobs which means training has become an economic issue. There are therefore two issues, one linked to health and the other to school performance. A cross-sectional design was adopted. Questionnaires were administered to 470 volunteer student's seventh grade US to the first year of the Senior Technician Curriculum aged from 12 to 23 years (139 girls and 331 boys, mage = 15.7 years). Latent profiles analysis and the Games-Howell post hoc test were used. Analyses carried out with MPlus reveal three possible profiles. They also show that these profiles have a strong predictive power on motivation and perceived health.