Trillium International School is a British / French school in Marly-le-Roi, France. It serves 60 students for students aged 2–11. Annual tuition ranges from $7,020 to $16,200 USD.
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Location & Getting There
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Key Details
Key facts
About
Trillium International School is a bilingual private primary school in Marly-le-Roi, France, serving ages 2-11. It combines the French National Curriculum with the British Curriculum in small classes (12-14 students) to develop strong academic foundations while fostering natural language acquisition and intercultural understanding. The school emphasizes emotional wellbeing, critical thinking, and personal growth through project-based learning and an extensive extracurricular programme.
School data verified by NanaSays. Last updated: April 2026.
Why Families Choose
- Bilingual education combining French and British curricula
- Small class sizes with individualized attention
- International teaching team
- Strong emphasis on emotional wellbeing and intercultural understanding
- Project-based and inquiry-led learning approach
Fees & Financials
| Grade / Year | Annual Fee |
|---|---|
| Nursery (full-time) | EUR 8,197~$ 8,910 |
| Reception (full-time) | EUR 11,653~$ 12,666 |
| Years 1-6 (full-time) | EUR 12,258~$ 13,324 |
| Pre-primary & Primary (annual full-time) | EUR 12,620~$ 13,717 |
Conversions to USD use exchange rates as of April 2026.
Original currency: €6,500 - €15,000 per annum. Application fee: $972.
Admissions Process
- 1School accepts pupils from age 2 through end of primary (Year 6) on an open admissions policy year-round subject to availability. 2. Primary applicants submit previous school reports; an interview with the Headteacher and class teacher is arranged. 3. SEN applicants require an individual interview and a recent educational psychologist report. 4. Submit enrolment form with registration fee of €900 and school supplies fee of €300 to reserve a place.
Admissions Details
School Day
Full day runs 9:00–16:00; extended full-time option runs 8:00–18:00 including morning daycare from 8:00–8:45 AM and After School Club from 4:00–6:00 PM.
Student Life
A starter uniform pack is provided at first registration including: 1 winter coat (Doudoune), 1 raincoat, 1 PE trouser, cardigans, 2 white long-sleeve T-shirts, 2 white short-sleeve T-shirts, 2 standard trousers, and 2 short-sleeve polos. Annual replacement uniforms and additional pieces are charged separately.
Canteen (Cantine) provides lunch options; Lunch Box is available; Snack (Fresh fruits) is offered. Morning daycare runs 8:00–8:45 AM; After School CLUB runs 4:00–6:00 PM; Garderie options include 4:00–5:00 PM, 4:00–6:00 PM, and 8:00–8:45 AM childcare; late fees apply after 6:00 PM.
Facilities & Programmes
Wellbeing & Safety
The school prioritises pupils' well-being and personal development in a safe, respectful, and stimulating learning environment, with small class sizes and personalised support to support mental well-being.
Student Demographics
School Background
private