| 2018 | |
| 1 - 30 September | ENZ Speaking and Writing Contest |
| 5 September | Opening Ceremony for the New School Year |
| 22 September | Mid-Autumn Festival Celebration |
| 15 - 21 October | New Zealand Discover Week |
| 18 October | New Zealand Culture Day (organised by ENZ) |
| 23 - 30 October | Liceo Scientifico G. Galilei students visit Nguyen Sieu School |
| 22 October | BMI Education Fair |
| 22 - 28 October | Nguyen Sieu students visit Skals Efterskole (Denmark) |
| 13 - 23 November | Nguyen Sieu students visit Nykobing Katedralskole (Denmark) |
| 25 December | Christmas Day Holiday |
| 2019 | |
| 1 January | New Year's Day Holiday |
| 19 January | Spring Festival |
| 20 - 21 January | Annual Charity Trip to Cao Bang |
| 4 - 10 February | Tết/Lunar New Year Holiday |
| 11 February | Lunar New Year School Assembly |
| 18 February | International Foundation Pathway Phase 2 commences at Massey University, New Zealand |
| 25 February - 3 March | Nguyen Sieu students visit Liceo Scientifico G. Galilei (Siena, Italy) |
| 31 March - 11 April | Skals Efterskole students visit Nguyen Sieu School |
| 3 -13 April | Nykobing Katedralskole students visit Nguyen Sieu School |
| April | Students leave for three-month study tour at Macleans College, New Zealand |
| 24 May | End of the School Year |
| June | Students leave for summer camps in Singapore, USA etc. |
