Student to student online interaction to get to know each other, communicate and come to a common understanding (declaration) on one of the following educational issues such as: - use of CLIL (Content and Language Integrated Learning) to teach/learn language - use of assessment to learn (at school) - internationalizing education: developing global citizenship at school - bilingual education The students are all part of a teacher training institute studying to become a teacher of language, humanities, sciences, mathematics etc.