摘要:With the new approval of LOMCE, some changes have been done that affect thecomprehensiveness and autonomy of schools.This article will be centered on the newprincipal’s role and the flexibility of the trajectories.With this reform the principalassumes more autonomy and authority; we will explain why it is a synonym ofinequality.Moreover, the aim of this flexibility of trajectories is to separate in the fourth4th course of Secondary Education those students who want to study from those whoare looking forward to working.