Creativity, Activity, and Service (CAS) is at the heart of the Diploma Program. It is one of the three essential core elements (CAS, ToK, and the Extended Essay) in every student’s Diploma Programme experience, involving students in a range of activities which complement their academic studies. CAS is a requirement for full IB Diploma students only.

Creativity is defined as “exploring and extending ideas leading to an original or interpretive product or performance.”

Activity is defined as “physical exertion leading to a healthy lifestyle.”

Service is defined as “collaborative and reciprocal engagement with the community in response to an authentic need.”