United World Colleges (UWC) is an international non-profit organization with presence in more than 125 countries. Its objective is to build a society in peace through a multicultural education. Founded in 1962, and chaired by Nelson Mandela and Queen Noor of Jordan, UWC comprises 13 academic excellence colleges in America, Asia, Europe and Africa. In each college live and study around 200 scholars from 16 to 19 years old of 80 different nationalities. Most of them receive a grant and are selected in their own countries according to their student record, beyond their socioeconomic position. While these students live in the United World Colleges, they take part in volunteer programs and participate in discussions about international understanding and sustainable development. In 2012, UWC is celebrating its 50th anniversary.