| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper – Tanjong Katong Secondary SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Tanjong Katong Secondary | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Additional Mathematics Prelims – Xinmin Prelims · Answer availability not stated | Xinmin | www.testpapersfree.com Paper listing |
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| 2021 Secondary 4 Additional Mathematics SA2 / Prelim Paper / End of Year Exam Paper – Zhonghua Secondary SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Zhonghua Secondary | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Additional Mathematics Prelim – Zhonghua Secondary Prelim · Answer availability not stated | Zhonghua Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Chinese Prelim – Peirce Secondary Prelim · Answer availability not stated | Peirce Secondary | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Combined Science (Biology) Prelim – Admiralty Secondary Prelim · Answer availability not stated | Admiralty Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Combined Science (Biology) Prelim – Broadrick Secondary Prelim · Answer availability not stated | Broadrick Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Combined Science (Biology) Prelim – Dunearn Secondary Prelim · Answer availability not stated | Dunearn Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Combined Science (Biology) Prelim – Junyuan Secondary Prelim · Answer availability not stated | Junyuan Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Combined Science (Biology) Prelim – Marsiling Secondary Prelim · Answer availability not stated | Marsiling Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Combined Science (Biology) Prelim – Pierce Secondary Prelim · Answer availability not stated | Pierce Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Combined Science (Biology) Prelim – Ping Yi Secondary Prelim · Answer availability not stated | Ping Yi Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Combined Science (Biology) Prelim – Queensway Secondary Prelim · Answer availability not stated | Queensway Secondary | secondaryexampapers.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims – Beatty Prelims · Answer availability not stated | Beatty | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) SA2 / Prelim Paper / End of Year Exam Paper – Beatty Secondary SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Beatty Secondary | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims – Bendemeer Prelims · Answer availability not stated | Bendemeer | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) SA2 / Prelim Paper / End of Year Exam Paper – Bendemeer Secondary SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Bendemeer Secondary | secondaryexampapers.com Questions and answers |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims – Fuchun Prelims · Answer availability not stated | Fuchun | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) SA2 / Prelim Paper / End of Year Exam Paper – Fuchun Secondary SA2 / Prelim Paper / End of Year Exam Paper · Answer availability not stated | Fuchun Secondary | secondaryexampapers.com Questions and answers |
