Kaohsiung American School (KAS) KAS was established in 1989. It is a private institution, non-profit Pre-K - 12 institution with just under 500 students offering college preparatory programs leading to a U.S. high school diploma. It is located in Kaohsiung city of 1.5 million in southwestern Taiwan and is accredited by the Western Association of Schools and Colleges (WASC) in California, USA.KAS has been an IB school since 2010. For further information about the IBO and its programs, visit their website: www.kas.kh.edu.tw/