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Photo of Halcyon London International School
Reviewed

Halcyon London International School

Independent school · London, W1H 5AU
  • Secondary
  • Co-ed
  • Ages 11-18
  • From £32,598 pa
  • 155 pupils
We've reviewed this school • Unlock to access

A friendly, happy, small school devoted to delivering the IB in the best possible way. Pupils are listened to and supported to strive and thrive, learning at their own pace, with no slipping through the net.

Why read our school review?

Unlike other websites, schools can't pay to be included in The Good Schools Guide. This means our review of this school is independent, critical and fair, and written with parents' best interests at heart.

Unlock to access

Overview & data

Pupil numbers
155 ·
Sixth form numbers
48 ·
Religion
None
Fees
£32,598 - £34,080 pa
Local authority
Westminster City Council

Headteacher

Director

Mr Jeff Lippman

Since September 2025, Jeff Lippman, whose 30 years in education has taken him to international schools in Brazil, Spain, France and the US. He started out teaching history, later moving into leadership roles, most recently as founding head of the


Entrance

The IB Diploma is an exacting programme, and the schools wants as many as possible to complete it, so entry is selective, but thoughtfully so. ‘We take the whole person into account.’ As well as considering school reports, teacher references and a

Open days
September, October, November, December

Exit

Results are impressive and leavers’ destinations reflect this. Warwick, Imperial, St Andrews and KCL popular in the UK, with occasional students to Oxbridge. Others to leading universities in the US – most recently to Dartmouth College, NYU, Tufts,


Latest results

In 2025, IB results averaged 35 points.

A levels or equivalent - Average points score (2024)

School
36.76
LA avg.
36.94
Eng. avg.
34.45
Data highlight

What is this?

These figures tell you the average grade and average points that pupils achieved in their academic qualifications. A maximum of 60 points are available for a grade A* at A level.


Teaching & learning

Halcyon is one of the few schools in London to offer the IB middle years programme (MYP), which it does for the first five years. Most teachers have an IB background and are skilled in the delivery of its demanding curriculum. ‘Unlike GCSEs, which

Qualifications taken in 2024
  • IB

Learning support & SEN

Halcyon only accepts those they feel they can support effectively but are excellent at identifying and addressing mild learning difficulties. ‘When we lived abroad, my son’s dyslexia and dyscalculia were interpreted as lack of effort,’ said one

0 %
Students with a SEN EHCP
18.18 %
Students with SEN support

Arts & extracurricular

The IB middle years programme requires all students to study an art form. ‘One of the elements I am happiest about is that the programme allows you to continue with the core academic disciplines, while still enjoying the applied arts,’ said a father,


Sport

No outside space and no dedicated gym or other games facilities, so perhaps not the ideal location for future Olympians. (A search for ‘sport’ on the school website brings up zero results). Swimming, football, volleyball and basketball, however, take


Ethos & heritage

Set up by four parents, whose children originally attended another international school, the school launched in 2013 with just 34 pupils and still occupies its original premises sharing its teaching space (and tight security) with a central London


Pastoral care, inclusivity & discipline

Each student has a learning mentor, who stays with them throughout, and holds small-group mentoring sessions weekly. Mentoring groups contain one or two pupils from each grade, so the school becomes integrated across the age groups. ‘My kids have


Mobile phone policy

A clear mobile phone policy is a really important part of modern schooling. This school has provided us with their policy.

Mobile phone policy

Provided by the school and not part of our review

The school allows students to carry their mobile phones with the following shared understandings: The school promotes active digital citizenship, including teaching students how to manage mobile devices. The school allows a student to carry their mobile phone with the agreement that they will use their device responsibly. If the school or a teacher limits or prohibits the use of phones at any time or place during the school day, then students will follow that instruction. Failure to follow a teacher’s instructions will be a breach of this agreement, and will be managed through our behaviour and discipline policy).

Updated Oct 2025

Pupils & parents

There are 34 nationalities represented, but the pandemic and politics shifted the mix. ‘Brexit reduced our traditional clientele.’ Numbers, which dipped during Covid, have returned to about 180, but with an increasing proportion of locals or

155
Number of pupils

Money matters

Not London’s cheapest option, particularly given its restricted space and facilities, but fees are in line with other internationals schools and, as a not-for-profit, invested back into the school. Generous bursaries available for ‘deserving,

Fee information
£32,598 - £34,080 pa

The last word

A friendly, happy, small school devoted to delivering the IB in the best possible way. Pupils are listened to and supported to strive and thrive, learning at their own pace, with no slipping through the net.


Inspection reports

What the school says

Halcyon is a leading International Baccalaureate school for students aged 11 to 18 and the only not-for-profit IB school in central London. Our mission is to provide an exceptional education that draws out the unique potential of each student. Students collaborate with teachers and their peers, achieving ambitious academic goals and confidently meeting high levels of personal growth. Halcyon delivers a unique, research-driven approach to wellbeing. Students feel valued, confident and secure. We embed cutting-edge technology into learning. Our students are supremely well-prepared for the digital revolution of today and tomorrow. Find us in Marylebone, London.

Contact the school

Address

33 Seymour Place
London
W1H 5AU
Get directions

Have you considered?

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School data & information Halcyon London International School 33 Seymour Place, London, W1H 5AU
155 Pupil numbers
48 Sixth form numbers

Mobile phone policy

Provided by the school and not part of our review

The school allows students to carry their mobile phones with the following shared understandings: The school promotes active digital citizenship, including teaching students how to manage mobile devices. The school allows a student to carry their mobile phone with the agreement that they will use their device responsibly. If the school or a teacher limits or prohibits the use of phones at any time or place during the school day, then students will follow that instruction. Failure to follow a teacher’s instructions will be a breach of this agreement, and will be managed through our behaviour and discipline policy).

Updated Oct 2025
Our review contains additional results data reported to us by Halcyon London International School and is updated annually. See the review

GCSE-level results data is not reliably reported on for independent schools. We have chosen to show only the results achieved in individual subjects. Find out more

Average points score (2024)

School
36.76
LA avg.
36.94
Eng. avg.
34.45

What is this?

These figures tell you the average grade and average points that pupils achieved in their academic qualifications. A maximum of 60 points are available for a grade A* at A level.

Entry and exit data

Here we report figures on pupils moving between schools at the usual entry and exit points, as well as student destinations into higher education. We publish publically available data for state schools. For independent schools, The Good Schools Guide collects data from its prep schools as to where their pupils go on to. Find out more

Our review contains additional entry and exit data reported to us and is updated annually. See the review

Recent feeder schools

SEN overview

Halcyon London International School is a mainstream school. The school may provide support for students with special educational needs as detailed below. If you require more information on conditions the school can support, we encourage you to contact the school directly.

SEN statement

Provided by the school and not part of our review

SEN support is offered on a student-by-student basis: capacity is limited, and every student's needs are individual, so we do not have a list of needs that we can guarantee support for. Please enquire to speak to our Admissions Director about capacity to support a student's particular needs.

Updated Jun 2022
0 %
Students with a SEN EHCP UK mainstream school avg. 2.7%
18.18 %
Students with SEN support UK mainstream school avg. 12.9%

SEN conditons supported

No information available from the school. Find out more.

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