The International Successful School Principalship Project (ISSPP) has been actively conducting
research about the work of successful principals since its initiation in 2001. Stimulated by the results of an
earlier study [1], Day wanted to explore on a large scale the characteristics and practices of principals
leading successful schools, and so assembled a group comprising of researchers from seven countries:
Australia, Canada, China, Denmark, England, Norway, and Sweden. This group agreed to conduct
multiple-perspective case studies focused on the leadership of principals in successful schools.