Project 2019-1-EL01-KA201-062883 Website https://ltee.aegean.gr/comput/ The project aims to integrate computational thinking in the secondary educational practice and train teachers to uptake its pedagogical potential. The project addresses the CT integration by professional development of the teachers in the interdisciplinary approach of Computer Science through all the school subjects. The project is initiated by Directorate of Secondary Education in the Dodecanese. Laboratory of Learning Technology and Educational Engineering (LTEE) from the University of Aegean implements the pedagogical part of the project. There are six public Secondary schools: three from Greece, one from Spain, one from Portugal and one from Norway.