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ISF Waterloo International School

Belgium, Brussels

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· Reviewed by · Chief Marketing Officer

Independently researched by doris.
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The school at a glance
Instructs in English
Fees €14,020 - 23,980
Ages 0 - 18 years
Pupil numbers 220
Type Co-educational
Bus Service Yes
Availability Not shared by this school
Academic offering
Curriculum IPC (International Primary Curriculum), Cambridge IGCSE, Cambridge A Levels
Taught languages French
Typical class size 18
Strengths STEM, Languages, Academic Enrichment
Clubs Arts and Creative, Community and Service, Lifestyle and Wellbeing
Stages Infant/Toddler Care, Early Years, Primary School, Secondary School
Introduction

ISF Waterloo International School is a day school within the International School of Flanders, delivering English-language education for students from 2½ to 18 with on-site daycare for Early Years. The Primary School follows the International Primary Curriculum (IPC), with six IPC units each year, taught in English with French as a daily second language. The broader curriculum combines the UK national literacy and numeracy frameworks with IPC to support a bilingual-friendly learning environment. In the Secondary School, Cambridge International systems guide IGCSE and A-Level study, with subjects including English, Mathematics, Global Perspectives, Business, French, Geography, History, Biology, Chemistry, and Physics. The school is recognised by Belgian education authorities and sits at 280 Chaussée de Waterloo, on the Sint-Genesius-Rode/Waterloo border, in Rhode-St-Genèse. The campus comprises five buildings named after Waterloo sites and facilities such as a science laboratory, an arts and sports complex, a library, and extensive play spaces for students.

www.isfwaterloo.org

Waterloosesteenweg 280, 1640 Sint-Genesius-Rode, Belgium

Vibes and Culture
The school has not added this information
The Essentials

ISF Waterloo International School has 220 pupils, typical class sizes of 18, instruction in English.

Location
ISF Waterloo International School is located on the border of Sint-Genesius-Rode (Flanders) and Waterloo (Walloon Region) in Brussels' southern suburbs. The campus comprises five buildings, two large playgrounds with distinct play zones for different age groups, and two car parks. The buildings are named after significant people or places in the Battle of Waterloo.

Stages
The school has Early Years (Oranje House) for 2.5–4-year-olds, Primary School (Papelotte Wing) for Year 1–3 (4–6 years old) with Year 5–6 classrooms on the first floor, and Secondary School in the Buonaparte Centre. Blucher House houses the Media & Learning Centre and the Library, with English Language support and access to an Occupational Therapist.

Type
The school is an international day school with Early Years, Primary School and Secondary School provision, and on-site ISF International Daycare.

Additional learning support
The school provides English Language support (EAL). The Social Counsellor's office and an Occupational Therapist are available on site.

Country affiliation
Belgium

School day structure
School hours are 9:00–15:30 for Primary (9:00–12:30 on Wednesdays) and 8:55–15:45 for Middle & High. Breaks are 10:30–11:00 and 11:30–12:15; lunch is 12:30–13:30 or 13:50–14:05. Before and after school care runs 7:45–8:45 and 15:45–17:30, with Wednesday Primary care 12:30–17:30.

Bus service
ISF Waterloo offers a bus service with three minibuses (one 19+1 seater and two 8+1 seaters). The tariff is distance-based: under 7 km €3,300; 7–15 km €3,500; 15–25 km €4,000, with a 10% reduction for one-way contracts; routes include Waterloo, Rhode-St-Genese, and Brussels area.
Diving Deeper
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Fees

Annual tuition at ISF Waterloo International School ranges from EUR 14,020 to EUR 23,980 for 2026/27.

Application / Registration Fees

- Registration (one-off): EUR 750. The registration fee is payable on submission of the application and is non-refundable except when a waiting list is in operation and the school subsequently refuses a place for the requested start date.
- School Development Fund (one-off per family): EUR 1,000. This one-off fee is invoiced with the first instalment of the school fees and is payable before the student starts.

Tuition fees by year group (Personal tariff, academic year 2025/26 published amounts; annual and per-term equivalents shown)

Notes on per-term equivalents: the amounts shown as “per term” are the published annual tuition divided into three equal instalments for convenience (the school calendar and communications reference three terms per year). The per-term figures below are calculated by dividing the annual fee by three.

- Kindergarten 1 (age 3)
- Annual: EUR 14,020.
- Per term (annual ÷ 3 — calculated): EUR 4,673.33.

- Kindergarten 2 (age 4) and Kindergarten 3 / Grade 1 (ages 4–6)
- Annual: EUR 19,430.
- Per term (calculated): EUR 6,476.67.

- Grade 2 – Grade 5 (approx. Years 2–6)
- Annual: EUR 20,820.
- Per term (calculated): EUR 6,940.00.

- Grade 6 – Grade 8 (Years 7–9 / lower secondary range)
- Annual: EUR 23,040.
- Per term (calculated): EUR 7,680.00.

- IGCSE (upper middle years / Years 10)
- Annual: EUR 23,600.
- Per term (calculated): EUR 7,866.67.

- A‑Levels / Year 11–12 (senior secondary / Years 11–12)
- Annual: EUR 23,980.
- Per term (calculated): EUR 7,993.33.

Corporate tariff (where employer or corporate sponsor pays)

- The school publishes a separate corporate tariff (higher than the personal tariff). Example corporate annual rates published for 2025/26 include: Pre‑School and lower years shown at higher corporate rates (examples: Pre‑School corporate approx. EUR 18,980; various primary/secondary corporate rates range from approx. EUR 26,825 up to EUR 32,750 for A‑levels). These corporate rates are applied when an employer/corporate sponsor signs the corporate commitment.

Billing schedule and payment terms

- Fees are invoiced in advance in line with the school's annual financial schedule and contractual General Conditions. The school requires payment in accordance with the invoice and the General Conditions. The school may adjust published fees with 30 days' written notice.
- Contract termination / withdrawal and reductions: a parent or corporate sponsor may terminate the school‑fees contract during the school year by giving 30 days' written notice. Reduction to the annual fees on withdrawal is specified as follows: withdrawal between 1 September and 31 January results in a 25% reduction to the full‑year fees; withdrawal after 31 January provides no reduction.
- Overdue payments: administrative reminder charges and interest apply to overdue invoice balances. The General Conditions specify an administrative charge per reminder (example: EUR 125 per reminder) and an interest charge on overdue balances (example: 1% per month).
- Per‑term presentation: per‑term figures above are shown as equal thirds of the annual tuition for practical use; the school calendar and communications reference three school terms. Parents should note that actual invoice instalments, invoice dates and due dates are set on the school invoice/financial schedule.

Boarding

- Boarding is not applicable; ISF Waterloo operates as a day school.

Other regular costs and optional extras

- Bus service (annual, optional): daily round‑trip bus tariffs are charged per passenger and depend on distance. Current published annual bus tariff bands are: under 7 km EUR 3,300; 7–15 km EUR 3,500; 15–25 km EUR 4,000. One‑way contracts receive a 10% reduction on the tariff.
- Before‑ and after‑school care (garderie): a fee structure is applied for morning and afternoon care; the detailed fee structure is handled by the school office (garderie sessions are available at set morning/afternoon times). Lunch ordering from the caterer is available for an extra charge (meals are halal/non‑pork with vegetarian options).
- School wear / uniform: ISF Waterloo does not require a formal school uniform. The school provides an ISF Waterloo T‑shirt for sports; additional logoed items (polo shirts, sweatshirts, fleeces) are available for purchase at extra cost.
- Extra curricular activities, trips and exam fees: many day trips and certain in‑school items are included in the annual fee for specific year groups, while some external trips, examination fees (IGCSE/A‑levels where applicable) or specific optional activities may carry additional charges invoiced separately.

Sibling discount

- A 10% sibling reduction on the tuition component is applied to the second child and any subsequent child under the Personal tariff.

Refund information

- Registration fee: non‑refundable except where a place is refused while the application is on a waiting list.
- School Development Fund: invoiced with the first instalment and payable before starting; the General Conditions indicate it is a once‑only fee due on first enrolment.
- Withdrawal refunds / reductions: termination requires 30 days' written notice; reduction to annual fees on withdrawal is 25% if withdrawal occurs between 1 September and 31 January, and 0% after 31 January.

Fee payment options (how families are asked to pay)

- The ISF group operates invoicing and bank‑payment procedures; ISF campus communications and ISF‑linked daycare pages describe payments made by bank transfer and invoicing arrangements. Families are routinely invoiced and bank transfer is used for payments to ISF entities (daycare enrolment pages show bank‑transfer payment for registration and monthly invoicing arrangements). Parents will receive formal invoices and the school's financial documentation states payment terms, due dates and any applicable bank/account details on those invoices.

Summary (key points for parents)

- One‑off fees on first enrolment: Registration EUR 750 (non‑refundable except in waiting‑list refusal) and School Development Fund EUR 1,000 (due with first instalment).
- Annual tuition varies by year group (listed above); per‑term equivalents are shown as equal thirds of the annual fee for convenience.
- Optional extras with separate charges: bus service, hot lunches, some trips, optional extra‑curricular items and logoed school wear.
- Withdrawal and refund rules, and late‑payment charges, are specified in the school's General Conditions (30 days' notice to terminate; specified reductions on withdrawal; reminder/admin and interest charges on overdue accounts).
Academics

ISF Waterloo International School teaches IPC (International Primary Curriculum), Cambridge IGCSE, Cambridge A Levels for students aged 0 to 18.

Curriculum
The Primary School uses the International Primary Curriculum (IPC) with six IPC units each year. English is the language of instruction, with French taught as a second language. The UK national literacy and numeracy curriculum is used alongside IPC. Cambridge Secondary Checkpoint is part of the Cambridge framework used in the school. The Secondary School follows Cambridge International systems for IGCSE and A-Level, with subject offerings including English, Mathematics, Global Perspectives, Business, French, Geography, History, Biology, Chemistry and Physics.

Student Teacher Ratio
Max 18 students per class.

Higher Education Progression
Cambridge International A-Level certificates are widely accepted by universities worldwide. In the USA and Canada, good grades in Cambridge AS and A-Levels can result in university credit. Cambridge qualifications are recognized by universities in over 50 countries.

Gifted and Talented
Academic Scholarships are available: 4-year scholarships to complete Secondary and Pre-University Education worth up to 75% of annual fees, excluding Cambridge exam fees.
Wellbeing
The school has not added this information
Parent Experience
The school has not added this information
Facilities
The school has not added this information
Extra-Curricular Activities
The school has not added this information
Languages
The school has not added this information
Reputation
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Admissions

Admissions
ISF Waterloo is a non-selective mainstream school. Families expressing an interest are invited to visit the school and have an interview with the Head of School, Mrs Belinda Yates. If the Waiting List Policy is in operation for that particular class, the school will advise you immediately and explain the implications. Before enrolment the school requires a transcript from the current school and copies of the most recent school report. After enrolment and before the first day the school requires a completed medical form. To enrol, parents must download and submit an application form and pay the Registration Fee. The one-off School Development Fund fee is invoiced at the same time as the first year's School Fees and is payable before commencing. Read the General Conditions document which states the contractual basis of admission and continuing enrolment at ISF Waterloo. For information on the Admissions Policy, refer to the Admissions Policy document.

Scholarships
The ISF Academic Scholarship Program is open to external students for two programmes: 14 to 15 year olds entering Year 1 of IGCSE 1 (Belgian Secondary Class 3 / UK Year 10) with 4-year scholarships up to 75% of annual fees (excluding Cambridge exam fees); 16 to 17 year olds entering Year 1 of Cambridge International A Levels with 2-year scholarships up to 75% of annual fees (excluding Cambridge exam fees). Scholarships are awarded based on the scholarship application (including personal statement), the past two years of school reports, the ISF scholarship exams, and an interview with the ISF panel. English is the language of instruction and assessment, so applicants must meet English language requirements to be eligible for a scholarship place. Process for applying includes: 1) complete and submit an ISF General Application Form for admission as well as a scholarship application form and provide the past two years of school reports; 2) successful submissions receive an invitation to a testing day; 3) within one week of the examination, the top-scoring 30% of IGCSE and A Level students are invited for an interview; 4) successful candidates receive a written offer including the scholarship value (50-75% reduced fee); 5) on acceptance, sign the letter and pay the registration fee; 6) student visas are the responsibility of the parents where applicable. Scholarships include: tuition fees (as stated in the letter of offer) and a waiver of the School Development Fund; Scholarships do not cover: Registration Fee (750 euro) and residential school trips; Scholarships could be withdrawn for non-payment, more than 10% non-attendance, poor behaviour as stated in ISF's behaviour policy, or significant drop in academic performance (evaluated annually).

Waitlist
Waiting List Policy may be in operation for a class; the school will advise immediately and explain the implications.
School Events
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