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Theory of Knowledge: (TOK) is a seminar on epistemology, or how we know, that meets throughout the two-year program.
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The Extended Essay (EE): Following junior year and into senior year, diploma candidates do independent research in a subject of their choice, culminating in a 4,000-word paper.
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Creativity, Activity, Service (CAS): Over the course of the two year program, diploma candidates perform 150 hours of CAS. This includes community service, arts, athletics, civic organizations and participation in clubs.