GIIS Queenstown Campus is the group's flagship campus, as it also houses the Foundation Headquarters. The campus offers the following curricula for Kindergarten to Year 12 education: IB Diploma Programme (IBDP), IGCSE, CBSE and Global Montessori Plus.

With a strong focus on imparting quality education, right from Montessori up to Junior College, GIIS Queenstown Campus is replete with excellent facilities for academic learning, sports and extra-curricular activities. It is equipped with extensive laboratory facilities for Mathematics, Sciences, Bio-Technology, Computer Sciences and Information Practices.