Established in 1957, it initially offered only a four-year Express course leading to the Singapore-Cambridge GCE Ordinary Level examinations.

Cedar Girls' Secondary School moved back to its present site and started the new academic year in 2010 at the new building.

[9] The school offers a four-year Express course leading up to the Singapore-Cambridge GCE Ordinary Level examinations, as well as a six-year Integrated Programme under the Victoria-Cedar Alliance (VCA).

Nominated by teachers and the student body, PSLs are selected based on their qualities such as integrity, being able to relate well with others and demonstrating an interest in community bonding.

Charged with running Sec One Orientation and Peer Support Group Meetings, PSLs together with the Prefectorial Board plan and organise many school functions to bring all Cedarians together.

This council aims to support the monitress in strengthening class unity and extending their influence towards the student population.

Their purpose is to promote an active and healthy lifestyle to the school community and to facilitate team bonding and camaraderie among students and even teachers.

The school offers 21 co-curricular activities (CCAs), including physical sports, performing arts, clubs and societies and uniformed groups.