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International School of Flanders (ISF Waterloo)

Belgium Rhode-Saint-Genèse, Belgium · Private
Illustration · Rhode-Saint-Genèse
73.1#14 in the country
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The International School of Flanders (ISF) Waterloo is a small international day school for children aged 2.5 to 18 in the southern suburbs of Brussels, on the border of the Flemish commune of Sint-Genesius-Rode and the Walloon commune of Waterloo. Teaching is in English; all students learn French daily, and the school is recognised by the Belgian education authorities. Primary follows the International Primary Curriculum, Secondary the Cambridge pathway: Lower Secondary, IGCSE and A Level. Families come from more than 50 countries, classes are small and there is no uniform. Hot lunches can be ordered from the caterer (non-pork, halal, with a vegetarian option) or brought from home. On Mondays, Tuesdays and Thursdays a free supervised study session with a teacher runs after school. The school has a second campus, ISF Tervuren in Vossem, for children up to 11, with a free shuttle between the campuses.

Key facts

Tuition
Price on request
Programmes
Cambridge · IGCSE, A-Level · Pearson Edexcel · BTEC · IPC
Admits from
2.5 years · Pre-School
Languages of instruction
English
Languages taught
French
School website
Admissions ISF describes itself as "a non-selective mainstream school": "We do not discriminate on the basis of creed, colour, gender or national origin. We seek to accept all qualified students who apply." Families are invited to visit and have an interview with the Head of School, Belinda Yates; if the Waiting List Policy is in operation for a class, the school says so immediately. Before enrolment the school requires a transcript and the most recent school report, after enrolment a medical form. To enrol, parents submit an application form and pay the Registration Fee. "English is the language of instruction and assessment"; students whose mother tongue is not English receive additional English lessons.
Stages and year groups Grades Pre-school, Years 1-13. Pre-school (ages 2.5 to 4) follows the International Primary Curriculum for Early Years, half-day (until 12:30) or full-day (until 15:30). Primary School (Years 1-6, from age four) follows the International Primary Curriculum with UK literacy and numeracy programmes. Lower Secondary (Years 7-9) follows Cambridge Lower Secondary in English, Science, Mathematics, Global Perspectives, Art and PE, and an adapted National Curriculum of England and Wales in other subjects. Years 10-11 take Cambridge IGCSE (English as a First or Second language, Mathematics, Global Perspectives, Business, French, Geography, History), Years 12-13 Cambridge AS and A Level (Biology, Business, Chemistry, English, History, Global Perspectives, Mathematics, French, Physics). The school is a Cambridge and Pearson examination centre and hosts GCSE, A Level and BTEC exams for private candidates. The school has two campuses: Waterloo (ages 2.5-18) and ISF Tervuren in Vossem (ages 2.5-11), following the same programme.
Address 280 Chaussée de Waterloo, 1640 Rhode-Saint-Genèse

Accreditations and programmes verified against official registries

Cambridge · IGCSE, A-Level · authorised programmePearson · authorised programmeBSO · accreditationCOBIS · accreditationCIS · accreditationMSA · candidate
The Cambridge and Pearson registers name the school as an exam centre. The school is accredited by CIS. It holds a British Schools Overseas (BSO) inspection, the latest in June 2023, and is an accredited member of COBIS. Since January 2026 it has been a candidate for MSA (Middle States Association) accreditation. The school has two campuses, in Rhode-Saint-Genèse near Waterloo and in Tervuren, with one curriculum.
school is in an official registryconfirmed by a school document, by membership or by taking part in a networkclaimed by the school, no confirmation, not counted in the scoreGuide to all organisations →

What stands behind each entry

CambridgeCambridge International Education

Part of the University of Cambridge. It allows a school to teach the Cambridge programmes and to enter pupils for the exams. There are four stages and they are authorised separately: primary, lower secondary, IGCSE and A Level. If the stages are known they are named in the line below; if that line is missing, the school does not publish them, and the Cambridge registry does not show stages either - it gives only the name of the centre, the country and whether private candidates are accepted. Cambridge calls what it does registration rather than accreditation, and the network holds about ten thousand schools.

What the badge means for this school. The school is allowed to run this programme and to award its certificate. This is a confirmation of the programme, not a judgement on the school as a whole. The entry stands in the organisation's public register - anyone can check it. At this school: IGCSE (ages 14-16), A-Level (ages 16-18). IGCSE means exams at around Year 10 or 11, the British counterpart of a lower secondary leaving certificate. A-Level is the senior years, and their results are what British and many other universities admit on.

Register to check for yourself, and the full guide →
PearsonPearson Edexcel, a British exam board

It gives a school approved centre status: that means Pearson exams can be sat in the school itself. What is checked is the premises, the equipment, the secure storage of papers and the presence of trained invigilators.

What the badge means for this school. The school can run Pearson exams on its own premises. The status says nothing about teaching, about results or about the school itself: any school able to run an exam securely holds it. The entry stands in the organisation's public register - anyone can check it. Which Pearson qualifications this school is approved for is not stated here.

Register to check for yourself, and the full guide →
BSOBritish government inspection of schools overseas

A scheme of the UK Department for Education: a school abroad is inspected against the standards for independent schools in England, including safeguarding and the standards for boarding. The inspections are done by independent inspectorates approved by the department, and the inspectorates themselves are monitored annually by Ofsted. The reports are published in full on the government website.

What the badge means for this school. The school has been through this organisation's accreditation. It was judged as a whole: governance, safeguarding, staff, premises, teaching. The entry stands in the organisation's public register - anyone can check it.

Register to check for yourself, and the full guide →
COBISCouncil of British International Schools

An association of British schools abroad with a quality inspection of its own. It has nine membership categories, and the word "accredited" appears in seven of them, although COBIS does its own inspection in one: in the rest it recognises an accreditation granted by somebody else.

What the badge means for this school. The school has been through this organisation's accreditation. It was judged as a whole: governance, safeguarding, staff, premises, teaching. The entry stands in the organisation's public register - anyone can check it.

Register to check for yourself, and the full guide →
CISCouncil of International Schools

It accredits international schools and is a paying association at the same time. It examines governance and ownership, the curriculum, teaching, student wellbeing, staff and premises; a team of volunteers from other CIS accredited schools visits the school. Membership and accreditation are different things here, and schools confuse them more often than anything else.

What the badge means for this school. The school has been through this organisation's accreditation. It was judged as a whole: governance, safeguarding, staff, premises, teaching. The entry stands in the organisation's public register - anyone can check it.

Register to check for yourself, and the full guide →
MSAMiddle States Association of Colleges and Schools

One of the oldest American accreditations, working since 1887 in more than a hundred countries and linked to the Office of Overseas Schools of the US State Department. It judges the school as an institution across twelve areas, including finances, governance, premises and student support.

What the badge means for this school. The school is a candidate for accreditation by this organisation: the route has been started but not completed. Candidacy speaks of an application made and a file accepted for consideration, not of the outcome of an inspection, and the organisations themselves usually require schools to say that it does not guarantee accreditation. The candidacy is confirmed in the organisation's open directory.

Register to check for yourself, and the full guide →
BTEC

A British vocational qualification from Pearson: not an academic course with an exam at the end, but a programme of practical assignments in a particular trade, from engineering and business to art and sport.

What this means for this school. Teaching and assessment work differently from A-level: instead of written exams there is a run of practical assignments marked by the school, while Pearson checks the school itself and samples the work. British universities do accept BTEC, but not all of them and not for every course: level 3 carries the same UCAS points as A-level, and that is what a family aiming at a particular university should look at. For a child who needs the classic academic route, BTEC is not a replacement for A-level but a different path.

IPC

International Primary Curriculum: a British primary school programme for children aged 5 to 11. It teaches through themes that draw subjects together rather than through separate subjects; it is published by the International Curriculum Association, formerly Fieldwork Education.

What this means for this school. This is a programme for the primary stage, not an accreditation of the school: the organisation sells it to schools and trains their teachers, but it does not check the quality of teaching at a particular school and keeps no public register of the schools working to it. There is no outside register to check it against, so the entry comes from the school's own words or from the record of its accrediting organisation. The programme has no leaving certificate: at the end of primary school a child moves on to the middle stage, and it is that stage which decides what they finish with.

Exams and destinations from the school's official website

The school publishes nothing about where its leavers go: no share going on to university, no exam results, no list of universities.

Facilities from the school's official website

·Swimming poolnot stated on the website
✓Sports hall
✓Laboratories
·Theatre or assembly hallnot stated on the website
✓Library
·Cateringnot stated on the website
✓School transport
·Boardingnot stated on the website
Also on site: Sports ground or field · Art studio · Playground
Clubs and activities: Yoga · Football · Basketball · Badminton · Taekwondo · Cooking · Arts and Crafts · Music · Spanish · Dutch · Primary Choir · Model United Nations

Teaching staff from the school's official website

·Teachers listed by namenot published
✓Teacher qualifications
·Number of teachersthe school does not say
·Students per teacher or class sizenot stated
What the listings show: "Every one of our teachers is trained in English as an Additional Language"; "Our teachers are Google certified educators".
The school stresses small class sizes and an international staff, all fluent English speakers. Besides the leadership, the Staff page presents 23 teachers from different countries with their education and experience. The school does not give class sizes or the student-teacher ratio.

Safety and wellbeing from the school's official website

·CCTVnot stated on the website
·Security staffnot stated on the website
·Access controlnot stated on the website
·Nurse or medical roomnot stated on the website
✓Counsellor
✓Child protection policy
·Staff trainingnot stated on the website
·Anti-bullying policynot stated on the website
A full-time social counsellor teaches PSHE, holds one-to-one counselling sessions and helps older students with careers and university applications. All students have a weekly PSHE lesson, and from Year 5 students do a weekly check-in on the Pulse well-being app. A Safeguarding handbook is published on the website. The school is a no-nut school because some students have serious nut allergies.

Reviews

No reviews yet. The community rating counts towards the score once a school has five verified reviews - until then we do not show a zero, so as not to mislead.

Criteria breakdown criterion weight in brackets

Academics and programmes (16%)
85
Community rating (16%)
no dataparent reviews are needed: the criterion switches on at the fifth verified one
Exams and destinations (12%) scored on disclosed data
55
Safety and wellbeing (12%) scored on disclosed data
65
Accreditation and verifiability (10%)
100
Teaching staff (10%) scored on disclosed data
55
Facilities (10%) scored on disclosed data
75
Clubs and activities (8%) scored on disclosed data
78
Value for money (6%) scored at the median
70
"Scored on disclosed data" stands where we count only what the school has written about itself on its own site: exams and destinations, safety and wellbeing, teaching staff, facilities, clubs and activities. A low score here means the school does not write about this, not that the school does not have it: a school with good security and a sparse site will score low. A school can fill in its profile, and the score will be counted again.
The score is counted from 7 of the 9 criteria.Only those with checkable data count: programmes and accreditations from official registers, the fee from a published price list. Where it says "scored on the median", the school has no data and the middle of the list is put in its place, so that a gap gives no advantage. Admissions, teaching staff and reviews come in as their data arrives. The full methodology →

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