| Event Title | Date/Period | |
| 1 | New Year's Day | Friday 01 Jan 10 |
| 2 | 4Q Term Commences | Monday 04 Jan 10 |
| 3 | Sec 1 Orientation | Monday 04 Jan 10 - Wednesday 06 Jan 10 |
| 4 | Sec One CCA Orientation (Part 1) | Tuesday 05 Jan 10 |
| 5 | Consortium Orientation | Thursday 07 Jan 10 |
| 6 | Sec One CCA Orientation (Part 2) | Thursday 07 Jan 10 |
| 7 | Pupil Development (PD) Day | Monday 11 Jan 10 |
| 8 | 2010 Academic Year Begins (Term 1, Week 2) | Monday 11 Jan 10 |
| 9 | 15 Year Old NRIC Registration at School | Tuesday 12 Jan 10 |
| 10 | Sec One CCA Orientation (Part 3) | Friday 15 Jan 10 |
| 11 | Sec 1 MOP selection Test | Sec 1 MOP selection Test |
| 12 | Pro3 Venture | Tuesday 19 Jan 10 |
| 13 | Secondary One Parent-Teacher Symposium | Friday 22 Jan 10 |
| 14 | S1 ANGLES Public Speaking Workshop | Monday 25 Jan 10 |
| 15 | High School Council Investiture | Wednesday 03 Feb 10 |
| 16 | S1 ANGLES Public Speaking Competition | Monday 08 Feb 10 |
| 17 | CNY Celebrations | Friday 12 Feb 10 |
| 18 | CNY | Monday 15 Feb 10 - Tuesday 16 Feb 10 |
| 19 | EL Common Test | Wednesday 17 Feb 10 |
| 20 | HCI-SNGS Exchange programme (inbound) | Monday 22 Feb 10 - Friday 26 Feb 10 |
| 21 | School Cross Country Meeet | Wednesday 24 Feb 10 |
| 22 | Hwa Chong Ed Conference | Monday 01 Mar 10 - Tuesday 02 Mar 10 |
| 23 | HCI-SNGS Exchange programme (Outbound) | Monday 01 Mar 10 - Friday 05 Mar 10 |
| 24 | Project Seminar for Sec One | Monday 08 Mar 10 - Tuesday 09 Mar 10 |
| 25 | Term 1 Sabbatical | Monday 08 Mar 10 - Friday 12 Mar 10 |
| 26 | Sec 1 Camp | Wednesday 10 Mar 10 - Friday 12 Mar 10 |
| 27 | Tan Kah Kee Performance | Thursday 18 Mar 10 - Saturday 20 Mar 10 |
| 28 | Founders' Day | Sunday 21 Mar 10 |
| 29 | Founders' Day Prize Giving Ceremony & Commemoration | Wednesday 24 Mar 10 |