IB Core Components, also called IB Cores, include Theory of Knowledge (TOK), the Extended Essay (EE), and Creativity, Activity, Service (CAS). These IB Cores develop research skills, critical thinking, and personal growth. Together, the IB Core Components play a major role in shaping well-rounded IB students and contribute to the final diploma score. They carry 3 points overall out of 45 points of the Diploma Program.