CRISS is a user-driven, flexible, scalable, and cost-effective cloud-based digital learning ecosystem that allows the guided acquisition, evaluation, and certification of digital competences in primary and secondary education, and easily scalable to other educational levels. The CRISS project aims to contribute to the modernisation of the educational and training system at different levels. CRISS proposes an innovative adaptive learning solution supported by the most advanced pedagogical methodologies and technologies that will be tested with a very large scale pilot with more than 490 schools including 25,400 students and 2,290 teachers across Europe.