ISF International School Frankfurt Rhein-Main is a private, full-day school serving students from Kindergarten/Pre-school to Grade 12 using English as the language of instruction. As a member of the SABIS® Network, ISF offers students a structured, internationally-oriented, college-preparatory curriculum that emphasizes the core subjects of English, mathematics, German, and the sciences. The ISF community is truly international, proudly educating students from more than 50 nations.