Comprehensive Sexuality Education (CSE) plays a vital role in promoting the health and well-being of children and young people. Teacher and parent confidence and capacity are current barriers to quality CSE. The overall project aim is to develop and implement CSE courses across 5 countries, using the European approach to micro-credentials, to equip school communities. Target groups are school leaders(500), teachers(650), preservice teachers(500), parents(500), and trainers(100) to sustain impact