Creative Secondary School (CSS; simplified Chinese: 启思中学; traditional Chinese: 啟思中學; pinyin: Qǐsī Zhōngxué) is a private school in Hong Kong under the DSS scheme, opened in September 2006. CSS offers both the IB Programme (which consists of the IB Middle Years Program and the IB Diploma) and Hong Kong's standard educational curriculum (Hong Kong Diploma of Secondary Education)..