Preschool through Grade 12

ISB is proud to be accredited by and member of local and international authorities. These accreditations and memberships validate the integrity of our school program, foster continued academic excellence, ensure the school’s mission is being accomplished, promote strategic planning, and establish priorities for improvement.



Council of International Schools


    Ministère de l'Éducation Nationale


New England Association of Schools and Colleges




Agence pour l'Enseignement Français à l'Étranger


Association of French Schools in North America



Association of Independent Schools in New England


International Baccalaureate


Mission Laïque Française


National Association of Independent Schools


Principals' Training Center


Research Schools International led by

Harvard Graduate School of Education Faculty