The International School of Boston (ISB; French: Lycée International de Boston or LIB, previously École Internationale de Boston) is a bilingual co-educational Pre-K-12 private school in Cambridge, MA. The Maternelle Campus (preK, MidK, and K) is located in the adjacent town of Arlington, MA. With 564 students from over 43 different countries, ISB is one of the few schools in New England offering the International Baccalaureate. ISB also offers the French Baccalaureate, and all graduating seniors receive the American high school diploma in addition to one of these international diplomas.