The three core requirements are:
The extended essay has a prescribed limit of 4,000 words. It offers the opportunity to investigate a topic of individual interest, and acquaints students with the independent research and writing skills expected at university.
Theory of Knowledge (TOK)
The interdisciplinary TOK course is designed to provide coherence by exploring the nature of knowledge across disciplines, encouraging an appreciation of other cultural perspectives.
Creativity, Activity, Service (CAS)
Participation in the school’s CAS program encourages students to be involved in artistic pursuits, sports and community service work, thus fostering students’ awareness and appreciation of life outside the academic arena.
(Source: www.ibo.org )