This paper reports on a European project, the Comenius ECLIPSE project (European Citizenship Learning in a Programme for Secondary Education) developed by six European partners coordinated by the University of Trento in the years 2011-2014. ECLIPSE (co-financed by the EACEA--Education, Audiovisual and Culture Executive Agency) aims at developing, testing, and implementing a Programme of European Citizenship, in order to improve citizenship competence and responsibility and to strengthen the sense of belonging and European identity of 8th grade pupils. These goals are reachable thanks to a number of measures in formal, non-formal and informal fields. The project partners created teaching and monitoring tools for pupils: seven ECMs (European Citizenship Modules), knowledge tests, pupils' portfolio, and suggestions for teachers, especially a portfolio for ECLIPSE educators. The ECLIPSE teaching/ testing materials were implemented in several schools of the partner's countries in order to make sure that it is useful for European pupils of different school systems. It can be used in a flexible way keeping in mind different learning needs in each school system, with a view to improving transversal competencies like learning to learn, as well as initiative and active involvement in improving the chances for young people in citizenship and work worlds.