THERE is no shortage of themes to address in schools and universities: wellbeing; climate change; diversity; equity and social justice; assessment; 21st century learning; the list goes on. Author CONRAD HUGHES, Campus and Secondary Principal at the International School of Geneva's La Grande Boissière, Research Associate at the University of Geneva's department of Education and Psychology, Université de Genève But, are there some challenges that stand out above the others? The answer is yes, but yes on two fronts. The first relates to the teacher – the most important human influence on student learning. This has been shown through multiple…