Kick off meeting of the COSMOS project was held online on 18th-19th of January 2022 due to Covid travel restrictions. More than 30 attendees took part in on-line meeting, including entire project consortium and external advisory board. Utrecht University, a project coordinator, provided COSMOS background, goals and project overview. Partners shared their experience about open schooling framework, Communities of Practice and the ways of implementation of COSMOS concept into schools´ practice. The general work plan and project milestones have been specified as well as evaluation and dissemination tools. Next meeting is planned face-to-face in Sweden in June 2022.