ISL offers extensive facilities and activities; St George’s stands out for its structured British academic approach; OTR offers a smaller, welcoming bilingual environment. My advice comes from visiting all three and working with schools and families locally.
Three schools, three different experiences
| School | 2026–27 projected enrolment | Curriculum and character |
|---|---|---|
| International School of Luxembourg (ISL) | 1,368 | English-medium education with an IB Diploma pathway; extensive facilities, activities and an emphasis on independence. |
| St George’s International School Luxembourg | 859 | British curriculum, IGCSE and A Level; structured academic expectations and close attention to progress. |
| OTR International School | 189 | English–French bilingual character, IB programmes and Cambridge AS/A Level; a smaller city campus. |
These are the Ministry of Education’s September 2026 opening projections, not a live headcount. OTR should not be mistaken for a wholly English-medium school.
ISL: resources and independence
In my view, ISL has the strongest facilities of these three schools, with a broad range of interests and activities. Its atmosphere feels more American in its emphasis on exploration and autonomy. Compared with St George’s, I find its approach less focused on tightly supervising grades. That is my observation of educational culture, not a claim that IB itself lacks rigour.
Many families I encounter around ISL work for international companies, including senior executives, or are well-established international households. Some employers cover school fees. Its history, name and IB pathway help explain its local profile. In my experience, IB attracts many internationally mobile European families, while British and Commonwealth backgrounds often bring familiarity with A Levels.
ISL strongly expects parental involvement and is particularly cautious when parents remain abroad. In applications I have encountered, host-family scrutiny was strict and assessments included two sessions of around two hours. Fewer than half of the online-assessment candidates in the cases known to me passed; this is not a school-wide published acceptance rate.
St George’s: academic structure and practical cooperation
St George’s feels distinctly British: academically focused, professional and attentive to safety. During my visits, entry and exit were recorded even for visitors. For applications involving parents abroad, it has been the most responsive and constructive of the three in our experience, followed by OTR; ISL has been more cautious.
Our direct relationship with the principal allows us to discuss a child’s curriculum and year placement in depth. Families working with LEP can arrange a three-day free trial through us. In our nine-day case, teachers’ feedback and a collective review still preceded the offer: speed did not remove assessment.
OTR: smaller groups and a warmer scale
OTR’s city-centre site is more compact. I found the teachers approachable and the atmosphere warm. During my visit, one French support class had four or five pupils per teacher; other language groups I learned about, including Portuguese and Japanese, also had single-digit numbers. Some classes I encountered had seven or eight pupils, while the school’s published typical class size is 15–25. The actual class your child would join matters.
For Chinese-speaking families, support deserves a specific discussion
I ask schools how they respond to Chinese pupils’ particular needs. In my conversations, ISL repeatedly stressed equal treatment but did not directly address some specific concerns. On this aspect of my own experience, St George’s ranked first, OTR next and ISL last. St George’s discussed additional language support and a learning buddy; its principal has lived in China. A few Chinese families I know reported cultural difficulties at ISL and subsequently moved. These are individual experiences, not the experience of every Chinese pupil.
Make the school choice work in everyday life
For younger children I look at language, friendships and daily support; for older pupils, subject choices and university progression. The family’s budget and residence plans belong in the same conversation. ISL, St George’s and OTR are day schools. If parents will not live locally, LEP can help with host-family matching and local arrangements alongside the school application. Contact us to discuss the child and the family’s priorities.
Explore the related guides
- International School of Luxembourg: which children and families is ISL a good fit for?
- St George’s International School Luxembourg: British education, academic expectations and local support
- OTR International School Luxembourg: a smaller bilingual school with IB and A Level options
- Private international school fees in Luxembourg: comparing ISL, St George’s and OTR
- Nine days from paid engagement to a school start: a Luxembourg placement and host-family case
- Studying in Luxembourg without parents: arranging the school and a host family
- Why choose LEP for a Luxembourg school application? Local relationships that lead to action
Luxembourg school and local host-family services are paid. We agree the work and fees before starting.
Discuss your European study plans with James Liu
Contact us in English, French or Chinese. Tell us the student’s current level of study, countries you are considering, intended start date and budget.
