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Strengths STEM, Visual and Creative Arts, Languages
Clubs Academic and Intellectual, Arts and Creative, Cultural and Language
Stages Early Years, Primary School, Secondary School
Introduction
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.
International School Delft has 530 pupils, typical class sizes of 15, instruction in English.
Location
Two campuses in Delft, Netherlands: Primary at Jaffalaan 9, 2628 BX Delft; Secondary at Prins Bernhardlaan 5C, 2628 BW Delft.
Stages
Primary Years Programme (PYP); Middle Years Programme (MYP); Diploma Programme (DP).
Type
IB World School offering PYP, MYP, and DP. The school teaches in English.
School day structure
ISD Primary opens at 08:15; Primary day runs 08:30–14:45 on most days (Wednesday 08:30–12:30); supervision available from 08:15; lunch and breaks include 30 minutes eating time plus 30 minutes of supervised play, and a 15-minute morning snack break. ISD Secondary opens at 08:00; the day finishes vary, commonly 14:00 or 17:15; the building closes at 17:30.
Fees
Annual tuition at International School Delft ranges from EUR 5,430 to EUR 8,225 for 2026/27.
Application fees
- Non‑refundable application / registration fee: EUR 250. - New‑student deposit: EUR 500 (charged once; refundable on lawful departure when school property is returned and there are no outstanding financial obligations).
Annual tuition fees and per‑term breakdown (by programme / year group)
(Note: the per‑term figures above are equal one‑third divisions of the published annual tuition and are presented for per‑term budgeting purposes.)
One‑off and programme‑specific additional charges
- New student expenses (secondary): EUR 70 (includes items such as a hoodie and PHE shirt, yearbook, school photos). Existing secondary students: EUR 30 (yearbook, photos). Similar small event charges apply in Primary. - Technology / MacBook options (secondary): where the school provides a laptop under contract, typical technology charge shown is EUR 475; a differing contract year lists EUR 500; students who supply their own MacBook according to school specifications are not charged the laptop contract fee. Specific amounts depend on the year/type of contract. - MYP activity charges (mandatory for secondary): MYP 1, 3 & 5 — activity day and curriculum‑related day trips EUR 150; MYP 2 & 4 — 3‑day camp and day trips EUR 350. MYP 5 personal project fee EUR 54; IDU fee EUR 54. - DP activity charges (mandatory for DP1): 3‑day camp in August and subject‑related activities EUR 200. - IB examination fees (DP2): EUR 650. - School trips in Primary are charged separately and are payable individually by parents/guardians; various optional or event‑based charges are charged per event. Specialist learning support, after‑school clubs and mother‑tongue lessons are not included in the tuition and are charged separately where applicable.
Billing schedule and payment terms
- Invoicing: Invoices are sent by the school's invoicing system (WisCollect) by email; parents/guardians can download invoices and view payment status online. For the referenced academic cycle, invoices are issued at the end of May to current and confirmed incoming families. - Payment timing when joining or leaving: a monthly pro‑rata schedule is applied for students starting or leaving during the school year (the school applies fixed percentage amounts depending on the month of entry or departure). Example percentages for amount payable on joining: August/September 100%, October 90%, November 80%, December 70%, January 60%, February 50%, March 40%, April 30%, May 20%, June/July 10%. Refund percentages on termination follow a defined scale (for example: termination in August–December yields up to 50% refund; January 40%; February 30%; March 20%; April 10%; May–July no refund). These month‑by‑month percentages determine final billed or refunded amounts. - Instalment option: Tuition may be paid in instalments for the school fees only; the maximum number of instalments is up to eight (number depends on joining date). Instalment plans must meet due dates in the school's payment schedule and are confirmed by the school. There is a cut‑off for instalment eligibility for students joining after December of the academic year referenced. Instalment requests are handled by the school finance office. - Non‑payment: Non‑payment may result in referral to external debt collection and additional costs charged to the family; persistent non‑payment may lead to referral of the student to a national public school programme.
Refund information
- Refund schedule on withdrawal: refunds are calculated against the full annual school fee using the month‑by‑month refund percentages. Withdrawals up to and including December will never yield more than a 50% refund; later months yield lower percentages down to 0% for withdrawals in May, June or July. The deposit refund is conditional on return of school property and settlement of all outstanding financial obligations.
Boarding
- Boarding provision: Boarding is not listed as a provision and no boarding fees are published for this school; therefore no boarding fees apply.
Other costs commonly payable by parents
- Uniform / clothing items: New student expenses include a school hoodie and PHE shirt for secondary; any further uniform items, if required, are charged separately or purchased as specified by the school. - School trips, certain mandatory secondary activity fees, yearbooks, photos and specialist services are charged in addition to tuition as itemised above.
Fee payment options and banking details
- Accepted payment channels: online payment via iDEAL (preferred) or by bank transfer to the account indicated on invoices. Invoices are managed through WisCollect. Separate bank accounts are used for Primary and Secondary payments; there is a dedicated bank account for application fee payments. Clear beneficiary/account details appear on the invoice or payment instructions.
Deposit handling and conditions
- The EUR 500 deposit charged to new students is a one‑off charge, transferable if a student moves from Primary to Secondary, and refundable on leaving once school property has been returned and there are no outstanding financial obligations.
Summary of the most commonly budgeted items
- Application fee (one‑off, non‑refundable): EUR 250. Deposit (one‑off, refundable subject to conditions): EUR 500. Primary annual tuition: EUR 5,170. MYP annual tuition: EUR 6,970. DP annual tuition: EUR 7,680. IB exam fee (DP2): EUR 650. Technology contract charge (where applicable): approx. EUR 475–500. Mandatory secondary activity charges vary by year (EUR 150–350). Invoicing via WisCollect; payments via iDEAL or bank transfer; instalment plans available under defined conditions.
Academics
International School Delft teaches IB (PYP), IB (MYP), IB (DP) for students aged 4 to 18.
Curriculum
ISD follows the International Baccalaureate framework, offering the Primary Years Programme (PYP) for the primary school, the Middle Years Programme (MYP) for the secondary school, and the Diploma Programme (DP). The Diploma Programme began in the 2023/2024 academic year with plans to offer the full IB continuum by 2024/2025. The DP core comprises Theory of Knowledge (TOK), Creativity, Activity and Service (CAS), and the Extended Essay (EE); students study six subject groups, with some courses at Higher Level and others at Standard Level, and language options including Dutch, English, and French or Spanish. English is the language of instruction; Dutch is taught as the host-country language; home languages are supported and EAL assistance is available. Language learning is integrated across ISD, with English as the language of instruction and Dutch taught as the host-country language, plus home-language support.
Student Teacher Ratio
Small class sizes in the Diploma Programme.
Higher Education Progression
The Diploma Programme is designed to prepare students for university and is recognized and respected by leading universities around the world.
Wellbeing
Social and Emotional Learning (SEL)
ISD has a Student Care Department that offers in-class support by the class teacher through accommodation of the programme, in-class support by a member of the Student Care Department, pull-out support by a member of the Student Care Department, meetings with the Student Care Department member responsible for pastoral care, and support by external specialists through the external support network. Teachers provide guidance in accordance with the Behaviour Policy and PSPE (Personal, Social and Physical Education), and the class teachers play a vital role in the personal and social development of students. ISD endeavours to create an environment in which all students feel emotionally safe and are able to access learning in a way that suits their individual needs. The Social Schools parent portal supports communication with families. External support services may be engaged when needed.
Special Educational Needs (SEN)
ISD is an inclusive school serving the international community in Delft; students with specific educational, physical, emotional or social needs are considered for admission. The school collaborates with specialist therapists to meet a range of needs; these services could be at additional cost to parents. The Student Care Department offers in-class support by the class teacher or a department member, pull-out support, pastoral care meetings, and external specialist support. ISD is part of Samenwerkingsverband Passend Primair Onderwijs Delflanden (PPO Delflanden); the PPO Delflanden procedure applies if ISD cannot fulfil the requirements for a child with special educational needs. The POS report (Passend Onderwijs – Suitable Education) gives an overview of the support ISD can offer in the development of your child.
English as an Additional Language (EAL)
English is the language of instruction at ISD. English as an additional language (EAL) is given great emphasis; class sizes are small and teachers have experience of teaching EAL within the classroom. EAL learners will be placed in the English Acquisition course. Host Country Language: Dutch is taught to enable ISD students to integrate with the local host-country community; Dutch Language Acquisition and Language and Literature Dutch are offered at different levels. Home Language learning is strongly encouraged to maintain students' cultural heritage and identity, and the school's Media Resource Center develops home language books and resources. On entry, parents/students complete a language profile form indicating proficiency in mother tongue and other languages; prospective Secondary students will be invited for Admissions interviews in English, with placement decisions supported by language assessment if needed.
Mental Wellbeing
ISD strives to create an environment in which all students feel emotionally safe and are able to access learning in a way that suits their individual needs. The PSPE framework supports personal, social and physical development, and teachers provide guidance in line with the Behaviour Policy. The MYP curriculum is academically rigorous, with differentiation and support available to ensure student wellbeing and success. The Student Care Department offers services including in-class and pull-out support, pastoral care meetings, and access to external specialists when needed. Secondary mentors, including the Mentor class teachers, play a vital role in the personal and social development of students.
Safeguarding
ISD is committed to safeguarding and promoting the welfare of all students in its care. The Policies & Downloads section includes a Reporting code for domestic violence or child abuse and safeguarding-related protocols. Staff recruitment adheres to child-protection standards, with requirements such as obtaining a Certificate of good conduct (VOG) and reference checks. The Working at ISD page explicitly states the school's commitment to safeguarding and promoting welfare, reinforcing safeguarding as a core consideration in all staff appointments. Safeguarding information and related protocols are published in the school's policy materials.
Admissions
Admissions
The International School Delft provides a quality international education in English for children in the Delft/The Hague area. The school welcomes students from the international community of all nationalities, faiths, beliefs and cultures. General criteria for admission are: A) the student does not have Dutch nationality and one of the parents/legal guardians is temporarily employed in The Netherlands; B) the student has Dutch nationality and has lived and attended school abroad for at least two years; C) the student has Dutch nationality and a parent/legal guardian who will be stationed abroad within the next two years for a minimum of two years, supported by a written statement of intent from the parent or employer. The school's programme should be appropriate for the student's needs and the student should be able to benefit from the programme. Admissions process steps: 1. Submit a Registration of Interest via OpenApply; 2. Submit an online application via OpenApply; 3. Submit all required documents (such as previous school records) to ensure the application is complete; 4. Pay the €250 application fee (non-refundable and does not guarantee a space); 5. Attend an interview to get to know the student and to assess the student's needs (a placement test may be requested if necessary); 6. Placement offer when the Head of School confirms the programme is appropriate and a place is available. OpenApply is accessible on the ISD site.
Waitlist
There may be a waiting list for certain groups. Those groups that are full will be indicated when applying on OpenApply. If you have multiple children and one group is full for a child, contact the Admissions team directly.
FAQs
What age range does ISD serve?
International School Delft serves students aged 4 to 18 across two campuses, offering the full IB Continuum from PYP through to the Diploma Programme.
What curriculum does the school follow?
ISD is an IB World School delivering PYP, MYP and the Diploma Programme, all taught in English. The DP began in 2023/2024 to complete the full continuum.
How much are the tuition fees?
Annual fees range from EUR 5,170 for Primary to EUR 7,680 for the Diploma Programme. A non-refundable application fee of EUR 250 and a refundable EUR 500 new-student deposit apply.
Where are the campuses?
Primary is at Jaffalaan 9 and Secondary at Prins Bernhardlaan 5C, both in Delft.
What are the school hours?
Primary opens at 08:15, with the day running 08:30 to 14:45 on most days and 08:30 to 12:30 on Wednesdays.
What languages are taught?
All programmes are taught in English. Dutch is offered as the host-country language and home languages are supported within the IB framework.
When was the school founded?
ISD was founded in 2014 and introduced the IB Diploma Programme in 2023/2024 to complete the full IB Continuum.
How many students attend?
ISD has approximately 530 students across primary and secondary campuses in Delft.
Is there learning support?
Yes, a Learning Support Coordinator handles individual needs. Reports and testing details are required for students with special needs before admission.
How do I apply?
Submit an application with the EUR 250 non-refundable fee and EUR 500 refundable deposit. Learning support documentation is required where applicable.
What DP subjects are offered?
Students study across six subject groups with Higher Level and Standard Level options. The DP core includes Theory of Knowledge, Extended Essay and CAS.
