International School in Brussels
Montgomery International School
Montgomery International School (MIS) is one of the few fully IB-accredited schools in Brussels offering a complete bilingual curriculum from ages 5 to 19.
With a maximum of 18 students per class and a 100% IB Diploma pass rate for the sixth consecutive year, MIS stands out as one of the most rigorous and personalized international schools in the Belgian capital.
200
STUDENTS
50
NATIONALITIES
18
STUDENTS PER CLASS
Montgomery International School is a private international school fully accredited by the world’s leading authority in international education: the International Baccalaureate. The school offers a primary and secondary section, welcoming students aged 5 to 19, following the International Baccalaureate curriculum for both levels.
Located near the center of Brussels, MIS is represented by a diverse and caring community that enables students to achieve high academic standards through a holistic and engaging educational approach.
IB Academic Programme at Montgomery International School Brussels
Primary Programme
> Ages 5 to 11
The Primary Programme at Montgomery International School allows students to take ownership of their own learning and acquire essential knowledge and skills. This programme offers a student-centered approach to education.
It encourages the development of their natural curiosity as well as key qualities such as empathy, resilience, and the ability to work collaboratively.
Middle Years Programme – IB
> Ages 11 to 16
The Middle Years Programme builds on the values, learning methods, and skills developed in primary school. It encourages students to fully engage in their learning and take an active role in their educational journey.
In the English-language track, all courses are taught in English, except for French as a language of acquisition. Students also have the option to enroll in the Bilingual Programme, which includes the teaching of social sciences in French.
Virtual Open Day | February 28th 2026
IB Diploma Programme
> Ages 16 to 19
The International Baccalaureate Diploma Programme is a globally recognized curriculum and provides an excellent pathway to university. It is accepted by Belgian, European, and international institutions.
At Montgomery International School, classes are taught in both English and French. While English is the main language of instruction, students have the option of taking history in French, allowing them to obtain either the IB Bilingual Diploma or the Advanced Bilingual Diploma.
100% IB Diploma Pass Rate – Six Consecutive Years
For the sixth consecutive year, Montgomery International School boasts an exceptional 100% success rate. Consistently exceeding the global average, the school ranks among the best international schools in Brussels.
These remarkable results reflect the school’s educational philosophy, which emphasizes small class sizes, personalized teaching methods, and a dynamic teaching team.
The strengths of Montgomery International School
Why Choose Montgomery International School in Brussels?
Montgomery International School stands out for its academic excellence, bilingual and personalized environment, and modern facilities offering numerous educational and cultural opportunities.
Who is Montgomery International School for?
MIS is particularly suited to expat families in Brussels looking for a fully IB-accredited school with a bilingual programme from primary level and genuinely small class sizes.
It also appeals to Belgian families aiming to prepare their children for Belgian or international higher education. With instruction in both English and French, the school welcomes students from both francophone and anglophone backgrounds.
School Life at Montgomery International School
Outside school hours
Montgomery International School offers several extracurricular activities: piano, tennis, yoga and dance, French club, Italian, visual arts, and reading club.
A hot meal service is available up to and including MYP3 (8th grade/2nd secondary). Students may also choose to bring their own lunch. From age 14, students may leave campus during lunch break with written parental authorization.
A private school bus service is available every morning and afternoon (additional fees apply).
School trips are organized every year for primary and secondary students.
Tuition Fees 2025-2026 – Montgomery International School Brussels
| Tuition Fees | |
|---|---|
| One time registration fee | € 2000 |
| Annual administration fee | € 1650 |
| Grade 1-5 (PYP1 to PYP5) | € 24 875 |
| Grade 6-8 (MYP1 to MYP3) | € 26 626 |
| Grade 9-10 (MYP4 to MYP5) | € 27 713 |
| Grade 11 (DP1) | € 31 638 |
| Grade 12 (DP2) | € 32 292 |
Discounts offered by the school
- 10% discount for the second child
- 20% discount for the third child
- 50% discount for the fourth child
Included in tuition fees
Tuition fees cover a wide range of services and educational resources to provide a complete learning experience:
- Textbooks, digital books, and photocopies of course materials
- School trip for students in PYP 3 to PYP 5
- Field Trips
- School sweatshirt and one school t-shirt (PYP and MYP only)
- Yearbook
- Subscription to online resources for MYP and DP students
- Exam fees for DP1 and DP2 students
- All specific activities such as museum visits, theatre outings, and exhibitions are also included. However, if public transportation is required, students must have their own transport pass.
Additional fees
Some services and activities are not included in the tuition fees and may incur additional costs:
- School photos
- School trip for DP students (if applicable)
- Annual MYP trip (5 days / 4 nights) – Estimated budget between €1,300 and €1,600. This trip is a learning opportunity outside the classroom, supporting students’ social development in an international setting. It is an integral part of the programme, and participation is mandatory for all MYP students.
- From Grade 4, students must have a laptop with access to Google Products or Microsoft Office.
- Additional services:
- Homework club
- After-school care
- Extracurricular activities
- Hot meals (if applicable)
Contact and Admissions – Montgomery International School
Montgomery International School invites all interested parents to schedule a visit via the website, by email, or by phone.
Location of Montgomery International School in Brussels
The school is located in the heart of Brussels, just steps from Montgomery roundabout and its metro station, close to NATO and the European institutions.
> Montgomery International School
Adress : 133, rue du Duc | 1200 Brussels, Belgium
Montgomery International School
Latest news from the Montgomery International School
