SEPTEMBER 2020 School Terms: 2 Jan – 13 Mar ; 23 Mar – 22 May ; 8 Jun – 24 July ; 3 Aug – 20 Nov
| 1 Sept (Tue) | SPM Trial |
| 2 Sept (Wed) | SPM Trial |
| 3 Sept (Thu) | SPM Trial; Uniformed Body and Martial Arts Activities |
| 4 Sept (Fri) | Union Night 8: SMATS – KYS Science Challenge; SPM Trial |
| 5 Sept (Sat) | SPM Trial; Merdeka Carnival & Celebration |
| 6 Sept (Sun) | |
| 7 Sept (Mon) | SPM Trial |
| 8 Sept (Tue) | SPM Trial |
| 9 Sept (Wed) | SPM Trial |
| 10 Sept (Thu) | Uniformed Body and Martial Arts Activities |
| 11 Sept (Fri) | Solat Hajat PT3 & SPM; PT3 Oral Ends |
| 12 Sept (Sat) | Saturday off/overnight |
| 13 Sept (Sun) | |
| 14 Sept (Mon) | |
| 15 Sept (Tue) | |
| 16 Sept (Wed) | Holiday – Malaysia Day |
| 17 Sept (Thu) | Uniformed Body and Martial Arts Activities |
| 18 Sept (Fri) | |
| 19 Sept (Sat) | Form One 2021 Entrance Test & KYS Open Day; Inter-house Netball Competiton |
| 20 Sept (Sun) | Inter-house Netball Competiton |
| 21 Sept (Mon) | PT3 Listening; Speech Day Coordination Meeting |
| 22 Sept (Tue) | End of Year Examination F4; PT 3 Listening; Speech Day Co-curriculum & Academic Award Winners Meeting |
| 23 Sept (Wed) | End of Year Examination F4; PT 3 Listening |
| 24 Sept (Thu) | End of Year Examination F4; Clubs & Societies Meeting |
| 25 Sept (Fri) | End of Year Examination F4 |
| 26 Sept (Sat) | Saturday off/overnight |
| 27 Sept (Sun) | |
| 28 Sept (Mon) | End of Year Examination F1 F2 F4; PT3 BM/ BI Written |
| 29 Sept (Tue) | End of Year Examination F1 F2 F4; PT3 BM/ BI Written; KYS 6th Annual Second Aquathlon Campionship Coordination Meeting |
| 30 Sept (Wed) | End of Year Examination F1 F2 F4; PT 3 Examination |
*22 days of schooling (Mon – Sat); 1,2,3,7,8 Sept-UPSR Examination