Serangoon Garden Secondary School (SGS) is a co-educational government secondary school located in Serangoon, Singapore.

Serangoon Garden Secondary School was founded in 1959 as Lichfield Secondary School at Lichfield Road in Serangoon.

It became a bilingual secondary school with both English and Chinese streams, with facilities for the teaching of academic, technical and commercial subjects.

The school moved to its current premises in 2004.

This Singapore school-related article is a stub.