勵仁高級中學（英語：Millennia Institute；馬來語：Institut Millennia），簡稱MI或「勵仁高中」，是新加坡共和國唯一的三年制高級中學，其餘的大學預備課程教育中心皆為兩年制的初級學院。
Millennia Institute (MI) is a pre-university institution in Singapore.
MI was established on 3 January 2004, to conglomerate the sparsely organised three-year pre-university institutions into a single entity. MI had moved into their new Bukit Batok campus, covering an area of approximately 16 hectares and built at a cost of around S$24 million completed with Junior College equivalent facilities. MI also had its official opening in May 2009 whereby Singapore’s former Minister for Education Dr Ng Eng Hen was the guest of honour.
Similar to Junior Colleges, MI accepts its students based on academic merit such as the University of Cambridge Local Examinations Syndicate (UCLES) General Certificate of Examination Ordinary Level (GCE ‘O’ Level) results before graduation from secondary schools. Students from MI sit for the University of Cambridge Local Examinations Syndicate (UCLES