About WOHAA Why do WOHAA? International Baccalaureate (IB) CAS - Creativity, Activity, Service For those of you studying for the IB diploma, WOHAA fits perfectly into the Creativity, Activity, Service (CAS) component. The WOHAA programme is a perfect opportunity to demonstrate participation in a real-life project with significant outcomes, which encourages personal growth and reflection along the way. http://www.ibo.org/programmes/diploma-programme/curriculum/creativity-activity-and-service/cas-projects/