Posted in Schools & Education YSIS stands for Yayasan Sultan Idris Shah (Malaysian college) YSIS stands for York Students in Schools (Heslington, York, England, UK) YSIS Share Pinterest Tweet Whatsapp Post navigation YSFPYSIMSTE Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.