All courses taught at ISR are part of the comprehensive SABIS^® Educational System. This system has been developed, refined, and tested for over a century.  It draws on a comprehensive and rigorous curriculum that emphasizes a well-balanced body of knowledge, skills, and experiences.  

In addition to the core subjects of English, mathematics, and German, the ISR curriculum is designed to provide knowledge of a broad range of subjects including science, social studies, art, music, health, physical education, and computers.  It is designed to develop a balanced, well-rounded college-preparatory experience.