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Virtual Open Day: ISD Secondary
Save your virtual seat for ISD Secondary's Online Open Day. Registration via: admin@internationalschooldelft.org Taster lessons Find out more about our school Info and Q&A's Start at 4 pm
School Holidays 2024-2025
| Autumn Break | 28 October – 1 November 2024 |
| Winter Break | 20 December – 3 January 2025 |
| Spring Break | 24 February – 28 February 2025 |
| Easter Holiday | 18 April – 21 April 2025 |
| May Break | 22 April – 2 May 2025 |
| 5 May holiday | 5 May 2025 |
| Ascension Day holiday | 29 May – 30 May 2025 |
| Pentecost | 9 June 2025 |
| Summer Break |
21 July – 29 August 2025 |
Staff Inset Days 2024-2025
| Staff study day primary | 4 November 2024 |
| Staff inset day | 28 November 2024 |
| Staff inset day | 6 January 2025 |
| Staff inset day | 18 March 2025 |
| Staff study day primary | 19 June 2025 |
| Staff inset day | 18 July 2025 |