Study groups, hand-ons sessions and other long lasting training formats require support for onboard participants, reducing no-show ratio, increase finalization of the activities and ideally provide personalize support according the individuals needs of each participants. Aiming to solve some of these challenges with Cloud Study Jam in Europe, Google Classroom has shown interesting results at in-person and online version. Besides training session, alternatives uses for certification preparation or even feedback requests sessions might be interesting to explore. Terms & Conditions allow to scale through community organizers and Classroom APIs might offer interesting opportunities for reporting activities, not just about the organizers but also of the communities members. The session will present the main result of this pilot, and some ideas to explore next steps in using Google Classroom.