Our School Calendar is available in PDF format, please click here to download.
| Date | Day | School Programme / Activities |
| January 2021 | . | . |
| 1/1 | Fri. | Public Holiday – New Year |
| 9/1 | Sat. | Orientation for new students : 9.00 – 11.00 a.m |
| 14/1 | Thurs. | Start of Academic Year |
| 19/1 | Tue. | House Meeting |
| 21/1 | Thurs. | Sports Practice 1 |
| 26/1 | Tue. | Sports Practice 2 |
| 28/1 | Thurs. | Public Holiday – Thaipusam |
| . | . | . |
| February 2021 | . | . |
| 1/2 | Mon. | Chinese Language Week |
| 2/2 | Tue. | Sports Practice 3 |
| 4/2 | Thurs. | Sports Practice 4 |
| 9/2 | Tues. | Sports Practice 5 |
| 10-11/2 | Wed. – Thurs. | Occasional Holidays – Chinese New Year |
| 12-13/2 | Fri. – Sat. | Public Holidays – Chinese New Year |
| 15-16/2 | Mon. – Tue. | Occasional Holidays – Chinese New Year |
| 18/2 | Thurs. | Sports Practice 6 |
| 23/2 | Tue. | Sports Practice 7 |
| 25/2 | Thurs. | Sports Practice 8 |
| . | . | . |
| March 2021 | . | . |
| 1/3 | Mon. | Oral IGCSE starts |
| 2-4/3 | Tue. – Thurs. | Pre-Sports |
| 5/3 | Fri. | Road Relay |
| 10/3 | Wed. | Cross Country |
| 12/3 | Fri. | Pre-Sports |
| 16/3 | Tue. | Pre-Sports |
| 18/3 | Thurs. | Sports Day Rehearsal |
| 20/3 | Sat. | Annual Sports Day |
| 22/3 | Mon. | Occasional Holiday – Sports Day |
| 26/3 | Fri. | Drama Final |
| 27/3-4/4 | Sat. – Sun. | 1st Mid-Term break |
| . | . | . |
| April 2021 | . | . |
| 2/4 | Fri. | Occasional Holiday – Good Friday |
| 7/4 | Wed. | Co-curricular Registration Day |
| 14/4 | Wed. | Occasional Holiday – Tamil New Year |
| 16/4 | Fri. | SriKL Public Speaking Final |
| 19/4 | Mon. | Art & Craft Week |
| 21/4 | Wed. | Art Competition |
| 24/4 | Sat. | Year 7 Entrance Test |
| 29/4 | Thurs. | Public Holiday – Nuzul Al-Quran |
| . | . | . |
| May 2021 | . | . |
| 1/5 | Sat. | Public Holiday – Labour Day |
| 3/5 | Mon. | IGCSE Foreign Language Malay 1 |
| 3-28/5 | Mon. – Fri. | Mid-Year Examination – Years 11 starts |
| 5 – 28/5 | Wed. – Fri. | Mid-Year Examination – Years 10 starts |
| 10 – 12/5 | Mon. – Wed. | Occasional Holiday – Hari Raya |
| 11/5 | Tue. | IGCSE 1st Language Chinese Paper 1 |
| 12/5 | Wed. | IGCSE Foreign Language Malay 2 |
| 13-14/5 | Thurs. – Fri. | Public Holiday – Hari Raya |
| 19/5 | Wed. | IGCSE 1st Language Chinese Paper 2 |
| 21-28/5 | Fri. – Fri. | Mid-Year Examination – Years 7, 8 & 9 |
| 24/5 | Mon. | IGCSE Mandarin Paper 1 & 4 |
| 26/5 | Wed. | Public Holiday – Wesak Day |
| 26/5 | Wed. | IGCSE Mandarin Paper 2 |
| 29/5-6/6 | Sat. – Sun. | Mid-Year Break |
| . | . | . |
| June 2021 | . | . |
| 1/6 | Tue. | IGCSE 2nd Language Chinese |
| 3/6 | Thurs. | IGCSE 2nd Language Chinese Listening |
| 7/6 | Sat. | Public Holiday – YDP Agong’s Birthday |
| 18/6 | Thurs. | Teachers’ Day celebration |
| 21/6 | Mon. | Bahasa Melayu Week |
| 23/6 | Wed. | Pertandingan Bercerita – Year 7 |
| 25/6 | Fri. | Pertandingan Pidato – Year 8 |
| 26/6 | Sat. | Report Card Day 1 |
| 30/6 | Wed. | Trinity SKL Public Speaking Final |
| . | . | . |
| July 2021 | . | . |
| 5/7 | Mon. | Installation of Prefects Board |
| 7/7 | Wed. | Career Day |
| 10/7 | Sat. | Speech & Prize-Giving Day |
| 12/7 | Mon. | Installation of Librarians Board |
| 13/7 | Tue. | English Language Day |
| 15/7 | Thurs. | Interclass Debate Final |
| 17-25/7 | Sat. – Sun. | Mid Term Break |
| 20/7 | Tue. | Public Holiday – Hari Raya Haji |
| 28/7 | Wed. | House Elections |
| . | . | . |
| August 2021 | . | . |
| 1/8 | Mon. | Installation of House Captains |
| 6/8 | Fri. | Concert Matinee |
| 7/8 | Sat. | Annual Charity Concert |
| 10/8 | Tue. | Public Holiday – Awal Muharram |
| 13/8 | Fri. | Bahas Peringkat Akhir (Yr 9 & 10) |
| 16/8-2/9 | Mon. – Thurs. | IGCSE Trial Exams 2 |
| 23-24/8 | Mon. – Tue. | Checkpoint Trial Exam (Yr 9) |
| 31/8 | Tue. | Public Holiday – National Day |
| . | . | . |
| September 2021 | . | . |
| 3/9 | Fri. | Gema Merdeka |
| 6/9 | Mon. | Humanities Week |
| 11-19/9 | Sat. – Sun. | Mid Term Break |
| 16/9 | Thurs. | Public Holiday – Hari Malaysia |
| 21-22/9 | Tue. – Wed. | Art & Design IGCSE Examination |
| 29/9 | Wed. | Year 9 Briefing |
| 30/9 | Thurs. | Year 11 Briefing |
| . | . | . |
| October 2021 | . | . |
| 4-5/10 | Mon. – Tues. | Checkpoint Examination – Year 9 |
| 8/10-17/11 | Fri. – Wed. | IGCSE Examination – Year 11 |
| 13-29/10 | Wed. – Fri. | End of Year Examination – Year 10 |
| 19/10 | Tue. | Public Holiday – Prophet Muhammad Birthday |
| 25-29/10 | Mon. – Fri. | End of Year Examinations – Years 7, 8 & 9 |
| . | . | . |
| November 2021 | . | . |
| 3/11 | Wed. | Occasional Holiday – Deepavali |
| 4/11 | Thurs. | Public Holiday – Deepavali |
| 5/11 | Fri. | Occasional Holiday – Deepavali |
| 8/11 | Mon. | Inter-house Games start |
| 19/11 | Fri. | Graduation Night |
| 22/11 | Mon. | Maths & Science Week |
| 25/11 | Thurs. | Talentine |
| . | . | . |
| December 2021 | . | . |
| 3/12 | Fri. | Report Card Day |
| 3/12 | Fri. | Last Day of School |
| 11/12 | Sat. | Public Holiday – Sultan of Selangor’s Birthday |
| 25/12 | Sat. | Public Holiday – Christmas |
| . | . | . |
*Kindly note that the dates given for school calendar are subject to change.