Greendale Secondary School (abbreviation: GDLSS; Simplified Chinese: 绿苑中学; Traditional Chinese: 綠苑中學) is a neighbourhood secondary school located in Punggol, in between the Meridian LRT station and Coral Edge LRT station, in the north-eastern part of Singapore. The school was found and started in January 2006 and in 2010, Greendale Secondary School represented the North-East district by hosting the launch site for the YOG torch relay in day 3 of the Singapore leg.