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EnglishIB Academic Results at St. John's International School, Brussels
Updated
St. John's International School in Waterloo reports an average IB Diploma Programme (IBDP) score of 36 points for 2025, which it describes as the best in Belgium. The school also reports a top score of 43 and states that 40% of its students scored 38 points or more. These are the school's own published figures, so they are best read as the institution's account of its results rather than an independently verified ranking. They are most useful to families who want to judge whether the school's academic profile matches their expectations for competitive university admission.
The reported 2025 results at a glance
| Measure | Reported figure |
|---|---|
| Average IBDP score (2025) | 36 points |
| Top IBDP score | 43 points |
| Share of students scoring 38+ | 40% |
The IBDP is graded out of 45 points, made up of six subject grades (up to 7 each) plus up to 3 points from the core components (Theory of Knowledge and the Extended Essay). A score of 45 is the maximum.
Why these numbers matter for university admission
The IBDP is recognised by universities worldwide, and many selective institutions publish typical score ranges for applicants. That makes the diploma score one of the few comparable, externally standardised signals a school can offer.
- The average (36) tells you where a typical student in the cohort lands. It is a measure of the middle of the class, not the ceiling.
- The 40% scoring 38 or above is arguably the more informative figure for ambitious families. It indicates how much of the cohort reaches the band often associated with strong applications to selective universities.
- The top score (43) shows the ceiling achieved within the cohort. A 43 is a rare result globally, so it signals that high performers are reaching the top of the scale.
In practical terms: if your child is likely to sit in the upper part of a cohort, the 38+ share and the top score are the numbers to weigh. If you are thinking about the overall academic environment, the average is the relevant one.
How to read these figures sensibly
A few cautions help you use the numbers well:
- They are self-reported. The figures come from the school's own materials. If you want to compare schools rigorously, ask each one for the same measures (average, top score, share above a threshold, cohort size) and check whether they are independently audited.
- Cohort size is not stated here. A 40% share means something different in a class of 20 than in a class of 100. Ask for the number of candidates.
- One year is a snapshot. A single year's average can move with the composition of a cohort. Ask for a multi-year trend if consistency matters to you.
- Averages hide distribution. The 38+ share and top score partly compensate for this, but you can ask for the full spread if you want a clearer picture.
What to ask on a tour or in an admissions conversation
The school invites families to get in touch, book a tour, or attend a discovery day. If academic results are your priority, use those opportunities to ask:
- How many students sat the IBDP in 2025?
- What is the multi-year average, not just 2025?
- What university destinations did the 2025 cohort reach?
- How does the school support students aiming for the 40+ range?
The school describes itself as offering the full IB curriculum and as preparing students for admission to top universities worldwide, so these questions follow directly from its own positioning.