A winter school is a short-term academic program or conference held during the winter months, typically lasting for a week or two. It is usually focused on a specific research area or field of study and offers participants the opportunity to attend lectures, workshops, and seminars led by experts in the field. Winter schools often provide a unique and intensive learning experience, allowing participants to deepen their knowledge and skills in a particular subject. They are also a valuable networking opportunity, allowing participants to connect with other researchers and professionals in their field. Winter schools are typically held at universities or research institutions around the world.