Agnieszka Otwinowska and Gessica De Angelis: Introduction: Towards Education for Multilingualism Part I: Multilingualism in Education: Conceptual Issues and Sociolinguistic Perspectives 1. Bjorn Hammarberg: Problems in Defining the Concepts of L1, L2 and L3 2. Hanna Komorowska: Analyzing Linguistic Landscapes. A Diachronic Study of Multilingualism in Poland 3. Julie S. Byrd Clark and Sylvie A. Lamoureux: Rethinking Multilingualism: Complex Identities, Representations, and Practices of Multilingual Student Teachers moving through Plurilingual Times in University French Language Teacher Education Programs 4. Laura Portoles Falomir: Analysing Prospective Teachers' Attitudes towards three Languages in two Different Sociolinguistic and Educational Settings 5. Katarzyna Cybulska and Visnja Kabalin Borenic: EFL Teacher Trainees and European Goals of Multilingualism and Plurilingualism. A Survey of Attitudes in Poland and Croatia 6. Tatjana Leichsering: Rethinking Urban Schools - a Sociolinguistic Analysis of Multilingual Environments in Frankfurt/m, Germany. Principles of Ascription, Categorization, Discourse and Language Proficiency Part II: Students and Teachers in the Multilingual Classroom 7. Laura Sanchez: The Roles of Age on the Development of Written Competence in L4 English. Evidence from a Spanish/German CLIL Context. 8. Sandra Lucietto: The Role of External Consultancy in Supporting Multilingual CLIL teams and in Shaping School Pedagogical Culture. The case of S. Giacomo di Laives/St. Jakob Leifers (Italy) 9. Claudine Brohy, Philippe A. Genoud and Jean-Luc Gurtner: Discourse on Multilingualism, Language Competence, Use and Attitudes in German-English Bilingual Vocational Schools in Switzerland 10. Irena Horvatic Cajko: Developing Metalinguistic Awareness in L3 German Classrooms 11. Marta Csire and Johanna Laakso: L3, L1 or L0? Heritage Language-Students as Third-Language Learners 12. Agnieszka Otwinowska and Gessica De Angelis: Epilogue: Education for Multilingualism: From Political Discourse to Classroom Applications