Learning-to-learn skills is one of the eight key competencies for lifelong learning defined by the EU (Recommendation of the European Parliament and of the Council of 18 December 2006) which requires students to have the ability to organize and plan one's learning autonomously. It is the ability to manage time and information effectively individually or in groups. Developing this skill requires meaningful learning processes, as well as the work of other complementary key competencies. Motivation and confidence are crucial. Project work and other related methodologies contribute to the development of this skill.