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Netherlands, Rotterdam
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ISD uses English as the language of instruction. Dutch is taught as the host-country language at multiple levels: Dutch Language and Literature for students whose home language is Dutch, and Dutch Language Acquisition for learners. English as an Additional Language (EAL) support is provided with small class sizes, and a language profile is used for placement. Home language learning is strongly encouraged to maintain linguistic and cultural heritage, and in the Middle Years Programme language acquisition is offered in Dutch, English, with a choice between French or Spanish.
The International School Delft (ISD) is an IB World School delivering a full continuum of International Baccalaureate from age 4 to 18. The Primary Years Programme (PYP), Middle Years Programme (MYP) and Diploma Programme (DP) are taught in English, with Dutch offered as the host-country language and home languages supported. The DP began in 2023/2024 with the goal of completing the continuum by 2024/2025, and students study across six subject groups with some Higher Level and others Standard Level courses. ISD emphasizes digital citizenship and 21st-century skills, using MacBooks for online learning in the Secondary School. The school maintains close links with Delft University of Technology, with campuses on TU Delft grounds: a primary campus on the TU Campus and an updated secondary campus opened in 2025/2026 with a capacity of 440 students. ISD is governed by Laurentius Stichting (Primary) and Lucas Stichting (Secondary), supporting a vertically aligned IB experience.
