Our Curriculum
A Bilingual, Multilingual and British Programme of Excellence (Ages 3–11)
The curriculum at Trillium International School is designed to meet high international academic standards while remaining aligned with the expectations of the French education system.
British and French National Curricula
Pre-Primary School – Nursery & Reception
Ages 3 to 5 – Bilingual & Montessori-Inspired Education
A welcoming multilingual environment for children aged 3 to 5, using their natural curiosity to explore mathematics, literacy, English, French, and the world around them.
At this essential stage of development, our bilingual and Montessori-inspired pedagogy nurtures independence, emotional security, and a love of learning in a caring and structured international school environment.
Children benefit from: Immersive exposure to English and French Multi-age learning groups Hands-on and experiential learning Development of language, motor skills and social confidence A multicultural and nurturing classroom environment
School Hours Monday, Tuesday, Thursday, Friday: 8:45 a.m. – 4:00 p.m. Wednesday: 8:45 a.m. – 12:15 p.m.
Nursery €805/month over 12 months (tuition fees + lunch + snack + pastoral fund included)
Reception €1072/month over 12 months (tuition fees + lunch + snack + pastoral fund included)
Primary School (Year 1 to Year 6)
Ages 6 to 11 – Bilingual Programme of Excellence
In Primary School, students continue to develop their language skills while deepening their understanding of the world, their identity, and cultural diversity.
Designed for students from Year 1 to Year 6, Trillium International School offers a rigorous bilingual British and French National Curricula covering:
- Language (English & French)
- Mathematics
- Sciences
- Social Studies
- Arts
- Physical Education
Our international and multilingual curriculum prepares students for:
- International secondary schools
- French collège pathways
- International sections and bilingual streams
Students are exposed to both English and French daily and work in multi-age groups that encourage peer learning, autonomy, and confidence. Fluency in both languages is not required. Children are fully supported while learning English, French, or both.
School Hours
Monday, Tuesday, Thursday, Friday: 8:45 a.m. – 4:00 p.m. Wednesday: 8:45 a.m. – 12:15 p.m.
€1119/month over 12 months (tuition fees + lunch + snack + pastoral fund included)
School Fees Policy
Trillium International School is a private international school and does not receive subsidies from the French government. Tuition fees are therefore fully privately funded.
Families interested in a bilingual and international education but requiring financial guidance are invited to contact the school to explore available options.
Supporting the Future of International Education
How Much Does Bilingual Education Cost?
International education should not be reserved for a privileged few. In the absence of public funding, parents contribute directly to maintaining a high-quality bilingual, multicultural, and excellence-driven educational environment.
We believe that today’s children are tomorrow’s global citizens. Investing in international, multilingual, and values-based education helps create a better and more responsible world.
Trillium International School is actively seeking partners who share our vision of excellence, innovation, and international education. Will you help us build a better future?
About Trillium International School
Catering to both international families and local families seeking a bilingual private school of excellence, Trillium International School offers a bespoke international programme from Pre-Primary to Primary in a multicultural, multilingual, and nurturing environment inspired by Montessori and global best practices.
Explore our academic programmes
Address
9 rue de la Sabotte,
78160 Marly-le-Roi
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