Ohio League of International Baccalaureate Schools
- Offers information, school listing and contact details.
- http://www.ohlibs.org/

International Baccalaureate Schools of North Carolina
- Offers information and school listing.
- http://www.ibsnc.org/

Guild of IB Schools of the Northeast
- Represents schools in New York, New Jersey, Rhode Island, Maine, Massachusetts, Connecticut, and Eastern Pennsylvania. Provides GIBS personnel list, directory of member schools, DP roundtables, PYP and MYP events and orientation seminars.
- http://gibsib.org/index.html

Arkansas League of International Baccalaureate Schools
- Offers information, school listing and contact details.
- http://ib.hssd.net/ALIBS.htm

Texas International Baccalaureate Schools
- Provides program descriptions and information on member schools within the State of Texas.
- http://www.texasibschools.org/

Quebec Society of International Baccalaureate Schools
- Features program information, school directory, professional development workshops and employment opportunities. [French and English].
- http://www.sebiq.ca/

Northwest IB Association
- A sub-regional organization of schools throughout Washington, Oregon, Montana, Idaho, and Alaska. Provides contact information and constitution.
- http://www.northwestib.org/

International Baccalaureate Schools of Ontario
- Offers information on all three IB education programs, FAQ in PDF and DOC formats, roundtable notes and mission statement for schools in Ontario.
- http://www.ibso.ca/

International Baccalaureate Prairie Organization
- Provides course listings, membership schools and contact details for IB schools in Saskatchewan and Manitoba.
- http://westwood.sjsd.net/IBPO/

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.
- http://www.ibmidatlantic.org/

International Baccalaureate British Columbia
- Provides an introduction to the IBBC, current application information, participating universities, meeting schedules and MYP training workshops.
- http://www.ibbc.ca/

International Baccalaureate: Association of Rocky Mountain Schools
- Provides MYP Level I and Level 3 training, meeting notes and school directory.
- http://www.ibarms.org/

Florida League of IB Schools
- Offers statement of purpose, school listings by location, teacher training workshop schedules, FLIBS membership details and registration information
- http://www.flibs.org/

Center for the Advancement and Study of International Education
- Information regarding department of education and diversity workshops, crossworlds participation and IB workshop schedules.
- http://www.casieonline.org/index.cfm

California International Baccalaureate Organization
- Includes CIBO board representatives and goals, news, history of organization, membership schools, training and conference schedules.
- http://www.c-ibo.org/

Alberta International Baccalaureate Group
- Offers list of member schools, teacher professional development training workshops, links for students and special project information.
- http://www.ibalberta.ca/

IB World Geeks
- Email based message group features files, photos and support for those students enrolled in the IB Program. Yahoo! ID and registration required.
- http://groups.yahoo.com/group/IBworldgeeks/

IBscrewed.net
- Features complaint department, interactive forum, resources, news and FAQs for IB students worldwide.
- http://www.ibscrewed.net/

Wikipedia: IB Diploma Program
- Provides information regarding curriculum, program awards, subject areas, CAS and TOK requirements, acknowledgement of the IB, criticism and notes.
- http://en.wikipedia.org/wiki/IB_Diploma_Programme#CAS

Wikipedia: List of Acronyms Connected with the International Baccalaureate
- Provides a list of frequently used acronyms associated with one or more of the International Baccalaureate Programs.
- http://en.wikipedia.org/wiki/List_of_acronyms_connected_with_the_International_Baccalaureate

IB World Schools
- Database is searchable by program offered, country, state or province. Provides Diploma coordinator contact details.
- http://www.ibo.org/school/

IBNET
- A collection of electronic services available only to Diploma, Middle Years and Primary Years programme coordinators in IBO member schools. The system is available in English, French and Spanish.
- https://web4.ibo.org/ibnet/

IBO Virtual Gallery
- Features selected work produced by IBO Diploma Program candidates taking the art/design course (two years). The gallery contains examples of higher level (240 hours) and standard level (150 hours) studio coursework.
- http://web1.ibo.org.uk/gallery/index.cfm?lang=ENG

United World Colleges
- Organization of 10 related international schools. Includes contact information, history and graduate contact.
- http://www.uwc.org/

IBID Press
- Publisher of specialized textbooks for International Baccalaureate program.
- http://www.ibid.com.au/index.html