- Ahmad Ibrahim Secondary
- Ang Mo Kio Secondary
- Bedok Green Secondary
- Bedok North Secondary
- Bedok South Secondary
- Bedok Town Secondary
- Bedok View Secondary
- Bishan Park Secondary
- Boon Lay Secondary
- Bowen Secondary
- Bukit Merah Secondary
- Bukit View Secondary
- Catholic High
- Cedar Girls’
- CHIJ (Katong Convent)
- CHIJ Secondary (Toa Payoh)
- CHIJ (St. Joseph’s Convent)
- Chai Chee Secondary
- Compassvale Secondary
- Chung Cheng (Main)
- Crescent Girls’
- Damai Secondary
- Deyi Secondary
- Dunman High
- Fairfield Methodist Secondary
- Fuchun Secondary
- Greenridge Secondary
- Guangyang Secondary
- Hai Sing Catholic
- Henderson Secondary
- Hua Yi Secondary
- Jurong West Secondary
- Jurongville Secondary
- Kent Ridge Secondary
- Kuo Chuan Presbyterian Secondary
- Madrasah Al-Arabiah Al-Islamiah
- Madrasah Aljunied Al-Islamiah
- Madrasah Alsagoff Al Arabiah
- Manjusri
- Monk’s Hill Secondary
- Montfort
- Nan Chiau High
- Nanyang Girls’ High
- National Junior College
- New Town Secondary
- North View Secondary
- North Vista Secondary
- Paya Lebar Methodist Girls’
- Peicai Secondary
- Pioneer Secondary
- Queenstown Secondary
- Queensway Secondary
- School of the Arts
- Sembawang Secondary
- Seng Kang Secondary
- Serangoon Garden Secondary
- Shuqun Secondary
- Singapore Chinese Girls’ Secondary
- St Hilda’s Secondary
- St Joseph Institution
- St Margaret’s Secondary
- Swiss Cottage Secondary
- Tampines Secondary
- Tanjong Katong Secondary
- Teck Whye Secondary
- Unity Secondary
- West Spring Secondary
- Westwood Secondary
- Whitley Secondary
- Woodlands Secondary
- Xinmin Secondary
- Yishun Secondary
- Yishun Town Secondary
- Yuan Ching Secondary
- Yuying Secondary
- Zhenghua Secondary