YSISS SCHOOLING DAYS AND HOLIDAYS
| START DATE | END DATE | EVENTS | REMARKS (for boarders) |
| Monday 20 March 2023 |
Friday 24 March 2023 |
School Days | |
| Saturday 25 March 2023 |
Sunday 26 March 2023 |
School Days | Overnight |
| Monday 27 March 2023 |
Friday 31 March 2023 |
School Days | |
| Saturday 1 April 2023 |
Sunday 2 April 2023 |
School Days | Overnight |
| Monday 3 April 2023 |
Thursday 6 April 2023 |
School Days | |
| Friday 7 April 2023 |
Monday 10 April 2023 |
Good Friday & Easter Monday | Overnight |
| Tuesday 11 April 2023 |
Friday 14 April 2023 |
School Days | |
| Saturday 15 April 2023 |
Sunday 16 April 2023 |
School Days | Overnight |
| Monday 17 April 2023 |
Tuesday 18 April 2023 |
School Days | |
| Wednesday 19 April 2023 |
Sunday 23 April 2023 |
Idil Fitri Break | |
| Monday 24 April 2023 |
Sunday 30 April 2023 |
1st Mid Term Break | Overnight |
| Monday 1 May 2023 |
– | Labour Day | |
| Tuesday 2 May 2023 |
Wednesday 3 May 2023 |
School Days | |
| Thursday 4 May 2023 |
– | Wesak Day | |
| Friday 5 May 2023 |
Friday 26 May 2023 |
School Days | |
| Saturday 27 May 2023 |
Wednesday 31 May 2023 |
1st Term Break | |
| Thursday 1 June 2023 |
Sunday 4 June 2023 |
Gawai Break | Overnight |
| Monday 5 June 2023 |
– | Agong’s Birthday | |
| Tuesday 6 June 2023 |
Sunday 11 June 2023 |
School Days | |
| Monday 12 June 2023 |
Tuesday 20 June 2023 |
School Days 1st Term Examination | |
| Wednesday 21 June 2023 |
Tuesday 27 June 2023 |
School Days | |
| Wednesday 28 June 2023 |
Sunday 2 July 2023 |
Raya Qurban Break | Overnight |
| Monday 3 July 2023 |
Tuesday 18 July 2023 |
School Days | |
| Wednesday 19 July 2023 |
– | Awal Muharram | |
| Thursday 20 July 2023 |
Friday 21 July 2023 |
School Days | |
| Friday 21 July 2023 |
– | School Days Parents’ Day 1 | |
| Saturday 22 July 2023 |
Sunday 23 July 2023 |
Sarawak Day | Overnight |
| Monday 24 July 2023 |
Friday 25 August 2023 |
School Days | |
| Saturday 26 August 2023 |
Sunday 3 September 2023 |
2nd Term Break | Overnight |
| Monday 4 September 2023 |
Friday 15 September 2023 |
School Days | |
| Saturday 16 September 2023 |
Sunday 17 September 2023 |
Malaysia Day | |
| Monday 18 September 2023 |
– | Sports Day | |
| Tuesday 19 September 2023 |
– | *Occasional Holiday (Sports) | |
| Wednesday 20 September 2023 |
School Day | ||
| Thursday 21 September 2023 |
Friday 27 September 2023 |
School Days 2nd Term Examination | |
| Thursday 28 September 2023 |
– | Prophet Muhammad’s Birthday | |
| Friday 29 September 2023 |
– | School Day 2nd Term Examination | |
| Saturday 30 September 2023 |
Friday 6 October 2023 |
School Days | |
| Saturday 7 October 2023 |
Sunday 8 October 2023 |
School Days | Overnight |
| Monday 9 October 2023 |
Friday 13 October 2023 |
School Days | |
| Saturday 14 October 2023 |
Sunday 15 October 2023 |
Sarawak Governor’s Birthday | |
| Monday 16 October 2023 |
Thursday 9 November 2023 |
School Days | |
| Friday 10 November 2023 |
– | School Day Parents’ Day 2 | |
| Saturday 11 November 2023 |
Monday 13 November 2023 |
Deepavali Break | Overnight |
| Tuesday 14 November 2023 |
Friday 15 December 2023 |
School Days | |
| Saturday 16 December 2023 |
Sunday 24 December 2023 |
3rd Term Break | |
| Monday 25 December 2023 |
– | Christmas Day | Overnight |
| Tuesday 26 December 2023 |
Monday 1 January 2024 |
3rd Term Break |