| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Bendemeer | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Canberra | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | CHIJ Katong | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Chung Cheng | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Methodist Girls | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Nan Chiau | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | St Margaret | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | St Patricks | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Tanjong Katong | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Xinmin | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Additional Mathematics Prelims · Answer availability not stated | Zhonghua | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims · Answer availability not stated | Beatty | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims · Answer availability not stated | Bendemeer | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims · Answer availability not stated | Fuchun | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims · Answer availability not stated | Hillgrove | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims · Answer availability not stated | Hua Yi | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims · Answer availability not stated | Pierce | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims · Answer availability not stated | Queenstown | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Chemistry) Prelims · Answer availability not stated | Zhonghua | www.testpapersfree.com Paper listing |
| 2021 Secondary 4 Combined Science (Physics) Prelims · Answer availability not stated | Admiralty | www.testpapersfree.com Paper listing |