International Boys' Schools Coalition
Gaztelueta is a member of the International Boys' Schools Coalition (IBSC), an international coalition of boys' schools founded in 1995. It shares pedagogical experiences and facilitates the connection between students from different countries to work on common projects. Hundreds of schools from more than 20 countries on five continents are represented, including Australia, Bermuda, Brazil, Canada, China, Ecuador, India, Ireland, Japan, Mexico, New Zealand, Nigeria, Peru, Singapore, Slovakia, South Africa, Spain, Thailand, the United Kingdom, Uruguay, the United States and Zimbabwe.