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What is CAS?

What is CAS?

Creativity, activity, service (CAS) is one of the three essential elements that every student must complete as part of the Diploma Program (DP) for the IB. It is completed by 11th and 12th grade students. 

Studied throughout the Diploma Programme, CAS involves students in a range of activities alongside their academic studies.

It is not formally assessed. However, students reflect on their CAS experiences as part of the DP, and provide evidence of achieving the seven learning outcomes for CAS.


Arts and other experiences that involve creative thinking.


Physical exertion contributing to a healthy lifestyle, complementing academic work elsewhere in the Diploma Program.


An unpaid and voluntary exchange that has a learning benefit for the student. The rights, dignity and autonomy of all those involved are respected.

why cas matters


  • CAS enables students to enhance their personal and interpersonal development by learning through experience.


  • CAS provides students with opportunities for self-determination and collaboration with others, fostering a sense of accomplishment and enjoyment from their work.


  • CAS is an important counterbalance to the academic pressures of the rigorous IB Diploma Program for 11th and 12th grade students.

  • CAS is both challenging and enjoyable for students. For many it is a personal journey of self‑discovery. Each student has a different starting point, and therefore different goals and needs, but for many their CAS activities include experiences that are profound and life‑changing.


  • CAS is student directed and student led. It encourages students to show initiative, perseverance, and develop skills such as collaboration, problem solving and decision making

Components of cas
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