Upper School

• Tracy Wood, Interim Director for the International Baccalaureate and International Program/ International Baccalaureate Coordinator
  617-499-1451
  twood@isbos.org
• Géraldine Guillermin, Interim Director of the Bilingual and French Baccalaureate Program/ College Counselor
  617-499-1451
  gguillermin@isbos.org
• Yalem Ayalew, Assistant to the Directors
  617-499-1451
  yayalew@isbos.org