High Quality Content by WIKIPEDIA articles! Cedar Girls` Secondary School is an all-girls educational institution/high school established in 1957 in Singapore with an enrolment of 507 girls, 13 classes and a staff of 18. The school went single session in 1992 and gained autonomous status in 1996. All classes are in the Express or Special Stream. According to the school ranking system put in place in 2004, Cedar is a Band 1 school, making it one of the top secondary schools in Singapore.