International Schools in London: 2026 Guide for Expat Families

Author

Emma from ISA

Posted 09 April, 2026

International Schools in London: 2026 Guide for Expat Families

Why London Remains a Top Destination for Expat Families

For the thousands of expatriate families arriving in the UK each year, finding the right international school in London is one of the most important decisions they will make. London's international school landscape is broad and well-established, with institutions offering globally recognised curricula, multilingual environments, and decades of experience supporting children through transitions between countries. Whether your family is moving from Asia, the Americas, or continental Europe, London has options that can offer continuity of education from the moment you arrive.

In 2026, demand for international school places in London continues to outpace supply in several areas, making early research and proactive applications essential. This guide, compiled by the team at International School Advisor, walks you through the key considerations, top verified schools, and realistic fee expectations for expat families choosing London as their next home.

Curricula Available at International Schools in London

London's international schools offer a wider variety of curricula than almost any other European capital. The three main frameworks you will encounter are the International Baccalaureate (IB), the American curriculum, and British-based programmes adapted for an international cohort.

The International Baccalaureate is particularly well-represented in London, with schools offering all three programmes: the Primary Years Programme (PYP) for ages 3–12, the Middle Years Programme (MYP) for ages 11–16, and the Diploma Programme (DP) for ages 16–19. The IB Diploma is widely recognised by universities worldwide and is often the preferred route for families who expect to relocate again before university.

The American curriculum leading to the High School Diploma and Advanced Placement (AP) courses is offered by several schools, making it a natural fit for families on posting from the United States or those expecting to return to North American higher education.

British international schools blend the National Curriculum of England with an international ethos, typically culminating in IGCSEs and A-Levels β€” qualifications recognised across the world and particularly valued by universities in Commonwealth countries.

Top International Schools in London (Verified by ISA)

The following schools are verified ISA-listed institutions in London. Each profile has been reviewed and is accessible on International School Advisor for parents seeking detailed information on fees, reviews, and admissions contacts.

TASIS England

TASIS England (The American School in England) is one of the most established American international schools in the UK, founded in 1976 and located on a 46-acre campus in Thorpe, Surrey β€” within easy reach of London. TASIS offers an American-style education from Pre-Kindergarten through Grade 12, culminating in both the American High School Diploma and the IB Diploma Programme.

The school is well-known for its strong arts programme, residential options for older students, and an exceptionally international student body representing over 50 nationalities. For families arriving on American corporate packages or diplomatic postings, TASIS England is frequently the first school on the shortlist. The campus setting β€” with playing fields, boarding facilities, and dedicated arts spaces β€” offers an experience rarely found in central London.

Halcyon London International School

Halcyon London International School takes a deliberately progressive approach to international education. Located in Mayfair, Halcyon serves students aged 11–18 and is an authorised IB World School offering both the MYP and DP. The school is small by design β€” typically around 200 students β€” resulting in very small class sizes, highly personalised learning, and close relationships between students and faculty.

Halcyon's philosophy centres on inquiry-based learning, creativity, and global citizenship. It is particularly well-regarded by families who want their children to develop genuine critical thinking and communication skills alongside a rigorous academic foundation. The Mayfair location is a practical advantage for families living in central or west London.

International School of London (ISL)

International School of London has been educating internationally mobile children since 1972. Located in Chiswick, west London, ISL offers the full IB continuum from Early Years through the Diploma, serving students aged 3–18. The school places a strong emphasis on mother tongue language maintenance alongside English, with a Mother Tongue Programme that supports over 20 languages.

ISL is an excellent choice for families who want their children to maintain strong ties to their home language and culture while integrating fully into an international learning environment. The Chiswick campus is accessible from both central London and several west London residential areas popular with expat families.

International School Fees in London: What to Expect in 2026

London is among the most expensive cities in the world for international schooling, and families should budget carefully. Annual tuition fees vary significantly by school, year group, and whether the student is a day pupil or boarder.

As a general guide for 2026:

  • Pre-Primary and Primary (Ages 3–11): Β£18,000–£28,000 per year
  • Secondary (Ages 11–16): Β£25,000–£38,000 per year
  • Sixth Form / IB Diploma (Ages 16–19): Β£30,000–£42,000 per year
  • Boarding (where available): An additional Β£15,000–£25,000 per year on top of tuition

Beyond headline tuition, families should account for registration fees (typically Β£500–£1,500), capital levies (sometimes Β£2,000–£5,000 per family), examination fees for external qualifications, school trips, uniforms, and extracurricular activities. Total annual costs can easily exceed published tuition figures by 10–20%.

Many employers relocating staff to London include school fees as part of an education allowance within the relocation package. If your employer offers this benefit, work closely with your HR relocation contact to understand exactly what is covered and whether the allowance is paid directly to the school or reimbursed to you.

Practical Tips for Choosing a School in London

London's international schools fill up quickly, particularly at popular year groups such as entry to Year 7, Grade 9, or the IB Diploma. Waiting lists for the most sought-after schools can stretch to two or more years. Here is what ISA advisors recommend:

Apply before you move. As soon as a relocation is confirmed, begin the application process even if your start date is still 6–12 months away. Many London international schools accept applications from abroad and will hold a provisional place.

Visit in person when possible. While school websites and virtual tours provide a good starting point, nothing replaces a visit. Most London international schools offer scheduled open days and individual tours. Observing a class in session and speaking with current parents will tell you far more than any brochure.

Consider transport logistics. London is large, and commuting time matters for children. Before settling on a school, map the journey from your likely residential neighbourhood. A 45-minute commute each way can be exhausting for younger children and affects family routines considerably.

Check curriculum continuity. If your child is likely to relocate again within a few years, prioritise schools that use globally portable curricula such as the IB. Switching from an American curriculum to a British system mid-secondary can create significant academic gaps that take time to bridge.

Find the Best International Schools in the UK

International School Advisor maintains verified, up-to-date profiles on international schools across the United Kingdom. Browse ISA-reviewed schools, read parent reviews, and compare fees and curricula in one place.

View the top international schools in the UK on ISA β†’

Frequently Asked Questions: International Schools in London

What is the best international school in London for IB?

Several London schools offer excellent IB programmes. International School of London (ISL) and Halcyon London International School both offer the full IB continuum from Early Years through the Diploma. TASIS England combines the American curriculum with the IB Diploma at the senior level. The right choice depends on your child's age, learning style, and how long you plan to remain in London.

How much does it cost to send a child to an international school in London?

Annual tuition fees at London international schools typically range from Β£18,000 to Β£42,000 depending on the year group and school. Families should also budget for registration fees, capital levies, and extracurricular costs. Many corporate relocation packages include an education allowance to help offset these expenses.

How early should I apply to an international school in London?

Ideally, begin the application process as soon as your relocation is confirmed β€” often 6–12 months in advance, or even earlier for the most competitive schools. Waiting lists for popular year groups can be long, so early contact with admissions teams is strongly recommended.