The multiplier event was organized by the Italian partners in Italy on December 21, 2021.As part of the European project BoostClass 2.0 - Boosting Classes 2.0 for high teaching quality in adult education - co-financed by the ERASMUS+ European Program, CPIA 10 Formia, in collaboration with the EU-Track Research Center, organized a seminar for school principals, staff teacher and ATA, and to all interested parties, to promote and share the project objectives and the results obtained so far. It was also a good opportunity to learn about how to participate in the testing phase of the methodology and discover the tools developed by the partnership.