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Ages 11 to 18

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Language of instructionEnglish
Age RangeAges 11 to 18
Reviews: 5.0
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Quick summary of key school information

Language of instruction English
Native English teachers
Extra languages (other than English)
Class sizes Average 13 students / class
Maximum 16 students / class
Extracurricular activities
School bus
School's webpage:
Yearly fees: from: £28,730
to: £30,053
Address: 33 Seymour Pl, Marylebone, London W1H 5AU, UK
Is this school a perfect match for you?

Tell us your preferences and we’ll calculate your compatibility.

  • Based on 10 different criteria including price and location
  • Fees personalised to your childrens’ ages

All the details about this school in their own words

We have organised the information available for this school into 10 sections and 40 questions. Click or tap on the name of each section to read more.
Number of students


Number of nationalities represented in the school


Most common nationality


Ratio of local students to international students

Approximately 35% local to 65% international.

Native English speaking teachers

No, but all fluent.

Language support for students not fluent in English

We have a limited English Plus programme to support the transition, but the student must have a certain level of English, which is assessed on entry.

Additional language classes offered by the school

We offer a Mother Tongue programme with over 14 languages. More languages can be added upon request and an extra fee.

Max. number of students per class


Average number of students per class


Does the school employ teaching assistants?


Use of technology in the classroom

Yes, a lot of the student's work is done online using their own devices. We treat technology as an enhancement of learning and only use it when traditional methods are inefficient and not sufficient for engagement and collaboration.

Is the school ready to use virtual classrooms when needed? (e.g. teaching lessons online if the school is closed, e.g. during COVID-19 closures)

Yes, we transitioned to online learning within 24 hours. Our remote learning programme is extensive and includes an integrated wellbeing programme and extracurricular activities.

Do students practice religion at the school? What religion?

No, we are secular.

External examinations or assessments available

The International Baccalaureate (IB) Middle Years Programme and the IB Diploma Programme

Results in these examinations

Our 3-year average score is 33.5. The global average score is 29.8.

Do teachers assign homework to their students?


Approximate hours of homework given

Most homework is individualised work that was not completed within the lesson, so it varies dramatically depending on the student.

Percentage of students who pursue further education post-graduation

An increasing trend amongst our students is opting for a Gap Year whilst they figure out what they might study. However, over 95% attend higher education that year or in the year following.

Dedicated staff/programs for students with special learning needs


Learning support offered

We have a Learning Coach who acts as our Special Educational Needs Teacher. Our provisions are quite limited as we are a small school.

The school supports gifted, able and talented students

All of our education can be personalised for each individual student, but we have no unique classes for these cases.

Student access to education psychologist

They must provide us with an educational psychologist report. We can recommend people.

Entry evaluation for students

Yes, we have an admissions process, but there are no exams.

Brief description of entry evaluation required

Assessments will be recommended for any special educational needs or language requirements so we can assess our capacity.

Waiting list


Deadline for registration (new academic year)

We have a rolling admissions process so there is no deadline. Applicants are processed on a first-come-first-served basis.

Students can join after academic year begins

Yes, but they must stay for more than two semesters.

School start time


School finish time


Supervised care before/after school


School bus service available

No, we will provide advice on the plentiful public transport options and assign buddies if required.

School provided lunches

Yes, included in the fees.

Food alternatives for special dietary needs (ie. vegan, kosher, halal etc)

We are a vegetarian school and provide for all dietary requirements.

Uniform required


Extracurricular activities or clubs offered

Ambassadors Club, Football (Girls and Boys), Eco Committee, Global Issues Network Club, Halcyonite (school magazine), Knitting, Dance, LAMDA, Law Society, Mathematics Team, Medics Club, Movie Club, Model United Nations, Running Club, Table Tennis, Yearbook.

Sports activities included

We change it each year in regards to units, there is a lot of dynamic movement on offer. For our Explorations classes on Wednesday afternoons, we offer Rock Climbing, Ice Skating, Horse Riding, Basketball, Football, Golf, Swimming, Dance, Softball, Track & Field, Tennis, Field ball sports and Bikeability.

Sports teams or sport competitions available for students

Students are often competitive outside of school in the local specialist clubs. However, we participate in a football tournament each year.

Sports facilities at the school

We have a hall at school, but we often use facilities in London for more complex activities. We also have a Leisure Center 2 minutes walk down the road.

Qualities and characteristics best defining the school

Halcyon believes that school life should inspire, engage and interest students from the moment they begin school to the day they graduate - because today’s education produces tomorrow’s leaders.

Halcyon is the only not-for-profit IB school in London, offering the Middle Years Programme and Diploma Programme to a small community of students aged 11-18.

Halcyon is committed to innovation, collaboration and community. Students enjoy a challenging academic programme, an innovative approach to wellbeing and an integrated digital learning environment.

Teaching approach of the school

Pioneered by Halcyon

Through a shared commitment to research-led innovation, leading-edge educational technology and unmatched professional development, our team creates unique, inspiring learning experiences for young people.

Our values: Innovation. Halcyon emboldens and supports every learner to be an explorer, a risk-taker and a creative problem-solver.

Engaged by Halcyon

Our Wellbeing Programme integrates student voice into the fabric of our classrooms and our community. Embracing opportunities to co-create their own learning journey with purpose, our students enjoy a vibrant, empowering environment of inquiry.

Our values: Collaboration. Collaboration is at the core of our community of life-long learners. Shaping our learning together, we discover unique perspectives that enrich our understanding of ourselves and others.

Empowered by Halcyon

Our student community graduates from Halcyon with a powerful aptitude for academic investigation, collaboration and leadership, ready to lead in a skills-based future and prepared to excel at elite colleges and universities.

Our values: Community. Each member of Halcyon’s community develops a sense of agency and ownership over our school and its mission, nurturing equal opportunities for each individual to fulfil their unique potential.


Contact the admissions team at Halcyon London International School

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