YADES Training school took place in conjunction with International Conference on Novelties in Intelligent Digital Systems (NIDS21) on 2nd October 2021. The goal of the school was to train PhD students, scientists, policymakers, SMEs representatives and any other interested person in novel intelligent techniques for the identification of risks in Cultural Heritage sites, monuments and historic cities along with resilience actions to mitigate these risks. To attract a broad audience as possible, participation in these workshops was free of charge for both registrants and non-registrants of NIDS21 conference. Training school covered a range of topics on Cultural Heritage, Climate Change, Machine learning and Bathymetric Mapping.