- International Baccalaureate Organization
- The official site of the IB program. Includes information about the programs, schools and links to related material. - California International Baccalaureate Organization - Includes CIBO board representatives and goals, news, history of organization, membership schools, training and conference schedules.
- Florida League of IB Schools - Offers statement of purpose, school listings by location, teacher training workshop schedules, FLIBS membership details and registration information
- IB World Schools - Database is searchable by program offered, country, state or province. Provides Diploma coordinator contact details.
- International Baccalaureate British Columbia - Provides an introduction to the IBBC, current application information, participating universities, meeting schedules and MYP training workshops.
- International Baccalaureate Mid-Atlantic Sub-Regional Coalition - Features IB MARC schools map, coordinator meeting information, course listings, membership schools from Delaware, District of Columbia, Maryland and Virginia.
- International Baccalaureate Schools in New Zealand - Directory and resources for International Baccalaureate (IB) schools in New Zealand.
- International Baccalaureate: Association of Rocky Mountain Schools - Provides MYP Level I and Level 3 training, meeting notes and school directory.
- Quebec Society of International Baccalaureate Schools - Features program information, school directory, professional development workshops and employment opportunities. [French and English].
- Texas International Baccalaureate Schools - Provides program descriptions and information on member schools within the State of Texas.
- United World Colleges - Organization of 10 related international schools. Includes contact information, history and graduate contact.
- Wikipedia: IB Diploma Program - Provides information regarding curriculum, program awards, subject areas, CAS and TOK requirements, acknowledgment of the IB, criticism and notes.
