St. John's International School

Waterloo, Belgium

St. John's International School cherishes each student as a unique individual and experienced, committed, caring teachers help each student reach his or her personal potential.

School type:



  • Day
  • Flexi Boarding
  • Weekly Boarding
  • Full Boarding


  • International Baccalaureate


Marcia De Wolf

Job title:

Community Engagement

Accreditations and memberships:

  • International Baccalaureate Organization (IBO)
  • Council of International Schools (CIS)
  • Middle States Association (MSA)
  • ECIS
  • ISTA
  • AMIS
  • ISST
School Website

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A very, very warm welcome to the St. John’s International School and thank you for your interest! We are very much an inclusive school, open to children of all nationalities, faiths and cultures. St. John’s is a wonderfully unique educational institution which combines the traditional Christian values of companionship, integrity and respect with the rigours of an international education.

Senior management

Mr Ray Holliday-Bersegeay - Head of School

School description

What makes St. John's such a successful school?

First of all, St. John's International School provides an English-language education based on Christian values, demands personal excellence and stimulates individual responsibility within a culturally diverse environment. St. John’s is also a caring environment where students are encouraged to reach their full potential, prepared to think globally, with a commitment to justice and challenged to act responsibly in a consistently changing society. We are an inclusive school, and welcome children of all nationalities, faiths and cultures. 

The facts are that we have:
- a consistent track record for achieving high academic results; 
- a comprehensive curriculum that is varied to cater for all students’ needs, but focuses primarily on the International Baccalaureate program - the most highly regarded international educational program of its kind in the world today;
- high quality math and science programs across the three school sections;
- fully bilingual English-French programs from Pre-Kindergarten through grade 4 (3-10 years of age) and multiple levels of French in all grades and the option of doing the bilingual IB diploma;
- many other languages available, also for bilingual IB diplomas.;
- made significant investments over the past twenty years in developing our campus, with the objective of giving our students the very best environment and facilities to work in;
- a very caring and welcoming community with 74% of St. John's families living within 10   kilometers of the school;
- a safe location, outside Brussels, with tree-lined residential areas around the school;
- a gated campus that provides a safe and secure environment for children to learn and grow.

Class sizes

Kindergarten average class size:


Reception average class size:


Primary average class size:


Secondary average class size:


Sixth form average class size:


Kindergarten teacher/pupil ratio:

2 : 15

Reception teacher/pupil ratio:

2 : 16

Primary teacher/pupil ratio:

1 : 8

Secondary teacher/pupil ratio:

1 : 8

Sixth form teacher/pupil ratio:

1 : 8

Academic information

Curriculum followed:

  • International Baccalaureate

Examinations board:


Higher education:

95% of students progress to higher education

University destinations:

Worldwide, including the top universities in UK and US

Sports and extra-curricular activities


Soccer, volleyball, cross country, basketball, swimming, golf, tennis, baseball, softball, track

Extra-curricular activities:

A large variety of arts, athletics, academic and other choices available to students of all ages


Admission process:

Please go to:



Marcia De Wolf

Job title:

Community Engagement

School news & events

Further information

Why not read our Q&A to find out even more about life at St John's?




Dreve Richelle 146



Post/Zip Code:



+32 2 352 0630

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