These two-year programs are meant to prepare undergrad students to the entrance exams of high-profile graduate schools (Grandes écoles) in research, engineering and business — including École Normale Supérieure, HEC Paris, ESSEC, École polytechnique, Arts et Métiers ParisTech, Télécom ParisTech, École des Ponts, Centrale-Supélec, École des Mines or ISAE-SUPAERO.