14 secondary schools have merged from Jan 1, 2017.
The schools are being merged because Singapore's declining birth rate over the past two decades has led to decreasing cohort sizes of school-going children and demand for places.
The Ministry of Education said that schools needed "sufficient critical mass" to offer a good range of educational programmes and CCAs.
Here is the list of merged schools, and what some of them are doing to manage the transition and help students bond.
Click on arrows in photos to read more.