International Baccalaureate Organization, educational foundation based in Geneva, Switzerland. Provides member schools with academically rigorous and internationally uniform curricula and guidelines for assessment, along with a common language of instruction: English.
IBO strives to create an internationally acceptable university entry credential for cosmopolitan students through a diploma program concentrating on the last two years of secondary school {or high school (or lukio)} which leads to a baccalaureate administrable in any country and recognized by universities in every country.
Interestingly enough, Things Fall Apart can also be found in the world-wide IBO A-level English syllabus.