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  • Halcyon London International School
    33 Seymour Place
    W1H 5AU
  • Head: Mr Barry Mansfield
  • T 020 7258 1169
  • E [email protected]
  • W
  • An independent school for boys and girls aged from 11 to 18.
  • Boarding: No
  • Local authority: Westminster
  • Pupils: 158; sixth formers: 60
  • Religion: None
  • Fees: £26,715- £27,966 pa
  • Open days: Virtual Open Houses Monday 18 October 2021, 1700-1815, Monday 29 November 2021, 1300-1415. Campus Open Houses Thursday 23 September 2021, 1000-1130, Wednesday 3 November 2021, 1400-1530
  • Review: View The Good Schools Guide Review
  • Ofsted report: View the Ofsted report

What says..

 Both pupils and parents spoke about the close monitoring and watching possible in small classes: ‘kids get challenged, they don’t get lost or coast; when they need more, they get more because the teachers are very good at differentiating’.  A number of extracurricular activities are not teacher-led, but are generated by students themselves - eg Model United Nations conferences which students organise entirely. Pupils all spoke of the amount of interaction they have with teachers who ‘know you really well and are almost like friends’...

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What the school says...

Halcyon is the only not-for-profit, co-educational, exclusively International Baccalaureate (IB) school in central London. Halcyon brings a high standard of life-readying education to one of the most culturally diverse, academically rich and historically important cities in the world.

Building on the foundations of the IB, Halcyon is an innovative, thinking community, committed to holistic teaching and learning; nurturing reflective, life-ready global citizens.

Beyond the standard IB curriculum, Halcyon offers innovative courses which include multi-grade settings in subjects such as podcasting, forensics and archeology as well as personal learning projects for students to explore their individual interests.

With a holistic and integrated digital learning programme, extensive student wellbeing programme and a commitment to the lifelong learning of its staff, Halcyon can truly describe itself as innovative, collaborative and community orientated.

Halcyon London International School is a qualified school for the International Baccalaureate Middle Years Programme (IBMYP) and International Baccalaureate Diploma Programme (IBDP). Halcyon is rated as Outstanding in all categories by Ofsted, accredited by NEASC in 2018, and recognised as an EdTech50 school in 2019.

Halcyon is considered a leader in the use of educational technology to support teaching and learning.
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International Baccalaureate: diploma - the diploma is the familiar A-level equivalent.

International Baccalaureate: middle years - middle Years is a programme for ages 11-16.

What The Good Schools Guide says


Since 2015, Barry Mansfield (50s); studied history at Nottingham and did his PGCE at UEA (history and English). His first teaching job was in an international school in Athens, followed by Nairobi, then Dubai, becoming head of English and learning about IB schools. He worked in Sofia Antipolis in France, then Jeddah, where he set up the diploma programme, before teaching in Bern International School in Switzerland (and setting up the MYP) while simultaneously doing an MA (Open University) in educational leadership.

All that IB experience fits very firmly with his commitment to the ideology of students as active learners. He believes that learning has a social, interactive component with enquiry based, collaborative learning at the heart of Halcyon. He is ‘quietly spoken and has a calming, steadying presence’ and...

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Please note: Independent schools frequently offer IGCSEs or other qualifications alongside or as an alternative to GCSE. The DfE does not record performance data for these exams so independent school GCSE data is frequently misleading; parents should check the results with the schools.

Special Education Needs

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.

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