RGS, together with its affiliated school Raffles Institution, offers a six-year Raffles Programme,[6] which allows students to skip the Singapore-Cambridge GCE Ordinary Level examinations and proceed to take the Singapore-Cambridge GCE Advanced Level examinations at the end of Year 6.

The demand for education grew and in 1847, the school moved to RI's eastern wing, extending towards Bras Basah Road.

[4] The usual school uniform is a belted, deep blue pinafore and a white collared blouse.

[12] A group of four students from RGS emerged Champion at the Kids' Lit Quiz 2018, and represented Singapore in New Zealand in July that year.

[14] Jodie Lai, a 2015 Optimist World Championships Under-15 champion, was conferred the title of Best Sportsgirl for sailing at the 46th Singapore Schools Sports Council (SSSC) Colours Awards in 2016.