International School of Boston

Our mission is to cultivate excellence through French-English bilingual and multicultural learning. The International School of Boston (ISB) is an independent, non-profit, PK -12 French-English bilingual and international school located in Cambridge, Massachusetts, in one of the most vibrant metropolitan areas in the United States. As a world-class, accredited academic institution, ISB places the development of the bilingual brain at the heart of its mission. ISB students graduate with an American high school diploma and choose between two internationally renowned diplomas, the French or the International Baccalaureate, giving them the opportunity to thrive at leading universities in the United States, France, and around the world. Offering a rich experience with rigorous programs, ISB prepares its students for a lifetime of learning and service.