Which international school should I choose in Luxembourg?

The ISL (International School of Luxembourg) is the most established and prestigious for an IB English-medium education — ideal for families who may relocate again. European Schools are excellent and free for EU institution employees. Lycée Vauban is the best option for the French curriculum. Lycée Michel-Lucius offers a free international English section in the public system. Apply 6–12 months early for ISL and European Schools — waiting lists are common.

Can my child attend a Luxembourg public school without speaking Luxembourgish?

Yes, but with support. Luxembourg public schools offer classes d'accueil (welcome classes) for newly arrived children who need language support. Children are gradually integrated into regular classes as their language skills develop. Young children (under 8) typically adapt quickly to the trilingual system. For older children arriving without German or French, an international school or international section in a public lycée may be more appropriate.

How much does the University of Luxembourg cost?

Remarkably little. Bachelor's programme fees are approximately €200/semester, and most master's programmes cost €400–€800/semester — among the lowest in Europe. Many master's programmes are taught in English. The Belval campus has modern facilities and a growing international student community. Student housing is limited, so apply early.

How does the childcare voucher system work?

The chèques-service accueil (CSA) system provides up to 60 hours per week of free childcare at approved facilities. Beyond 60 hours, the rate is capped at €4.50/hour (less for lower-income families). Apply through MyGuichet.lu as soon as you have your child's matricule. CSA vouchers are accepted at crèches, foyers de jour, maisons relais, and approved childminders.

Is the trilingual school system really as challenging as it sounds?

For expat children, it can be. Children who arrive before age 6–7 generally adapt well and become trilingual. Children arriving later without German may struggle, as German is the primary language of instruction in primary school. The international sections in public lycées (free, English or French medium) are an excellent middle ground — they provide a familiar curriculum within the public system, avoiding private school fees.

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🇱🇺 Luxembourg

Education

Free

State School Cost

Public education; trilingual curriculum

€5,000–€25,000/yr

International School Fees

Varies by school and level

Free

European School Fees

For children of EU institution employees

€200–€800/semester

University Tuition

University of Luxembourg; significantly subsidised

Top 250 globally

University of Luxembourg

THE World University Rankings

LU, DE, FR, EN

Languages of Instruction

Depending on school and level

Last updated: March 2026

Overview🏰Luxembourg City 🎓Esch-sur-Alzette

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Overview

Luxembourg's education system reflects its trilingual character. The public school system teaches in Luxembourgish, German, and French at different stages — a challenging but immersive multilingual education. For expat families, Luxembourg offers excellent international schools including the International School of Luxembourg (ISL), European Schools (free for EU institution employees), and several French and British curriculum schools. The University of Luxembourg, founded in 2003 and based primarily in Belval, is a young but rapidly rising research university offering programmes in English, French, and German.

Key Takeaways

Early education (cycle 1, ages 4–6): instruction primarily in Luxembourgish; focus on language acquisition and socialisation
International School of Luxembourg (ISL): IB curriculum; English medium; ages 3–18; tuition €15,000–€25,000/year; highly regarded and competitive admission
University of Luxembourg: 3 faculties; ~7,000 students; 55% international; strong in finance, law, computer science, and materials science
INL (Institut National des Langues): government language institute; Luxembourgish, French, German, English, and other languages; heavily subsidised (€25–€50 per semester)
Chèques-service accueil (CSA): government vouchers providing up to 60 free hours of childcare per week; additional hours at reduced rates (€4.50/hour max)

The Luxembourg Public School System — Trilingual Education

Luxembourg's public school system is unique in Europe: children learn in three languages at different stages. Early education and primary school begin in Luxembourgish, German is introduced as the primary language of instruction from age 6, and French is added from age 7 and gradually becomes the dominant language in secondary school. This trilingual system produces highly multilingual graduates but can be challenging for expat children arriving mid-stream, particularly those without German or French skills.

Early education (cycle 1, ages 4–6): instruction primarily in Luxembourgish; focus on language acquisition and socialisation
Primary school (cycles 2–4, ages 6–12): German becomes the primary language of instruction; French introduced from age 7 as a second language
Secondary school (lycée): two tracks — Enseignement Secondaire Classique (classical, French-dominant) and Enseignement Secondaire Général (general, German/French mix)
International public sections: some state lycées offer international sections (British, French, or European curriculum) taught in English or French — free of charge
Welcoming and insertion classes (classes d'accueil): available for newly arrived children who do not speak Luxembourg's languages; intensive language support
Bilingual Luxembourgish-French early education programme: recently expanded across communes for children from non-Luxembourgish-speaking families

International Schools — Options for Expat Families

Luxembourg has a strong network of international schools catering to its large expat population. The International School of Luxembourg (ISL) and European Schools are the most prestigious. Demand typically exceeds supply — apply 6–12 months in advance, particularly for popular entry years. The government has expanded free international public school sections in recent years, improving accessibility.

International School of Luxembourg (ISL): IB curriculum; English medium; ages 3–18; tuition €15,000–€25,000/year; highly regarded and competitive admission
European Schools (Luxembourg I and II): EU curriculum; multilingual; free for children of EU institution employees; fee-paying for others (~€5,000–€7,000/year)
St. George's International School: British curriculum; ages 3–16; small class sizes; tuition €10,000–€18,000/year
Lycée Vauban: French curriculum (AEFE network); ages 3–18; tuition €4,000–€7,000/year; strong academic reputation
Lycée Michel-Lucius: Luxembourg state school with international English-speaking section; free; IB Diploma available
Over Borders School Luxembourg: newer addition offering personalised learning; growing in popularity

University of Luxembourg and Higher Education

The University of Luxembourg (Uni.lu) was founded in 2003 and is the country's only public university. Based primarily at the Belval campus in Esch-sur-Alzette, it has rapidly established itself as a research-intensive institution with particular strengths in finance, law, computer science, and materials science. Tuition fees are remarkably low (€200–€800/semester), and many programmes are taught in English or are multilingual.

University of Luxembourg: 3 faculties; ~7,000 students; 55% international; strong in finance, law, computer science, and materials science
Tuition: €200/semester for bachelor's programmes; €400–€800 for most master's programmes — among Europe's most affordable
Language of instruction: many master's programmes in English; bachelor's programmes often multilingual (English/French/German)
Belval campus: modern facilities built on the former Arbed steelworks; excellent research infrastructure; direct free train from Luxembourg City
Luxembourg Centre for Contemporary and Digital History (C²DH), Interdisciplinary Centre for Security, Reliability and Trust (SnT) — research centres of global significance
Student life: growing international student community; university housing available (limited); Esch/Belval area offers more affordable living than Luxembourg City

Language Learning and Adult Education

Given Luxembourg's trilingual environment, language learning is a priority for most expats. Free or heavily subsidised courses are available through the INL (Institut National des Langues) and commune-organised adult education programmes. Luxembourgish, French, and German courses are in high demand — register early as popular courses fill within days of opening.

INL (Institut National des Langues): government language institute; Luxembourgish, French, German, English, and other languages; heavily subsidised (€25–€50 per semester)
Commune courses: many communes offer Luxembourgish and French courses through adult education programmes; often free or very low cost
Luxembourgish for citizenship: A2 speaking and B1 listening required; the Sproochentest exam administered by INL
Private language schools: Prolingua, Berlitz, and Inlingua Luxembourg offer intensive courses and business language training
Online platforms: Luxembourgish language apps (lod.lu — Learn Luxembourgish) and Babbel/Duolingo for French and German
Workplace language support: many employers offer or subsidise language training as a professional development benefit

Childcare and Early Education

Luxembourg provides generous childcare support through the chèques-service accueil (CSA) system — government vouchers that significantly reduce the cost of approved childcare. Crèches, foyers de jour, and maisons relais provide care for children from 3 months. The system is designed to support working parents, and most communes have well-established childcare infrastructure.

Chèques-service accueil (CSA): government vouchers providing up to 60 free hours of childcare per week; additional hours at reduced rates (€4.50/hour max)
Crèches: for children ages 3 months to 4 years; private and commune-operated; apply early as waiting lists are common
Foyers de jour: day care centres for children ages 3 months to 12 years; open year-round; include meals and activities
Maisons relais: after-school care for primary school children; operate until 7pm; homework support and activities
Multilingual early education: government programme ensures children from non-Luxembourgish families receive structured exposure to Luxembourgish and French before formal school
Parental leave: Luxembourg offers generous parental leave — 6 months full-time or 12 months part-time per parent, paid at a flat rate

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