Halcyon London International School
Halcyon London International School is an independent school in London for boys and girls aged 11 to 18. It has 157 pupils and room for 230.
33 Seymour Place, London, W1H 5AU020 7258 1169halcyonschool.comMr Jeffrey Lippman directorAll details
Inspection
This private school is inspected by the Independent Schools Inspectorate, not Ofsted. Its reports are at isi.net.
Results
GCSE results, summer 2025
27 pupils sat their GCSEs. Here is how they did against every state secondary in England.
The government hasn't published this school's headline results. That usually means the year group was too small to publish without identifying children.
A level and sixth-form results, 2025
25 students finished sixth-form courses.
All sixth-form measures, year by year
| Measure | 2025 | 2024 | 2023 | 2022 | 2019 | 2018 |
|---|---|---|---|---|---|---|
| Students | 25 | 28 | 23 | 35 | 49 | 47 |
| Average A level grade | z | z | z | z | NE | NE |
Getting a place
Admissions policy not published.
Each council publishes its own figures on how many families applied and how far away the last child to get a place lived. We are adding councils one at a time. If you have a link to Westminster council's admissions booklet, send it to us.
Who goes here
Who the school teaches, from the latest school census.
How the mix of pupils has changed
| Census | 2026 | 2025 | 2024 | 2023 | 2022 | 2021 |
|---|---|---|---|---|---|---|
| Pupils on roll | 157 | 165 | 187 | 170 | 176 | 157 |
| Pupils from low-income familiesFree school meals | – | – | – | – | 0% | 0% |
| Pupils learning EnglishEnglish as an additional language | – | – | – | – | 0% | 0% |
| Pupils getting extra supportSEN support | – | 18% | 0% | 0% | 2% | 0% |
| Pupils with an EHC planEducation, health and care plans | – | 0% | 0% | 0% | 0% | 0% |
What pupils do next
After sixth form
Where the 23 pupils who left in 2022/23 were a year later.
Earlier years
| Destination | 2022/23 leavers | 2021/22 leavers | 2020/21 leavers |
|---|---|---|---|
| Still in education, work or training | 57% | 44% | 39% |
| Education | 48% | 44% | 35% |
| Apprenticeship | 0% | 0% | 0% |
| Work | 9% | 0% | 4% |
| Not in education, work or training | 17% | 6% | 13% |
The area around the school
Crime figures come from police.uk. The police record each crime at the nearest of a fixed set of map points rather than the exact spot, so “within 500 m” is only rough. House prices are from HM Land Registry sales nearby over the last two years.
Nearby schools
The closest schools, nearest first. Hover over a row to see it on the map.
| School | Type | Distance | Pupils | Ofsted | Score | |
|---|---|---|---|---|---|---|
| Wetherby Preparatory School | Independent (grammar) | 130 m | 255 | Not inspected | – | Compare |
| Sylvia Young Theatre School | Independent | 190 m | 185 | Not inspected | – | Compare |
| Connaught House School | Independent (grammar) | 210 m | 66 | Not inspected | – | Compare |
| Hampden Gurney CofE Primary School | Church of England | 230 m | 225 | Good 2023 | 97 | Compare |
| ICS London | Independent | 460 m | 139 | Not inspected | – | Compare |
| St Mary's Bryanston Square CofE School | Church of England | 550 m | 166 | Good 2023 | 91 | Compare |
| St Vincent's Catholic Primary School | Academy | 720 m | – | Outstanding 2023 | – | Compare |
| Christ Church Bentinck CofE Primary School | Church of England | 730 m | 218 | Outstanding 2024 | 96 | Compare |
Questions parents ask
Is Halcyon London International School a good school?
We don't have enough published data to score Halcyon London International School yet.
How many pupils does Halcyon London International School have?
157 pupils aged 11 to 18 were on the roll in January 2024. It has 230 places, so it is 68% full.
Does Halcyon London International School have a sixth form?
Yes. The average A level grade in 2025 was z.
These answers come straight from the figures on this page and update when new data comes out.
Contact and details
- Address
- 33 Seymour Place, London, W1H 5AU
- Telephone
- 020 7258 1169
- Website
- www.halcyonschool.com
- Director
- Mr Jeffrey Lippman
- Type of school
- Independent school (Other independent school, independent schools)
- Phase
- Independent school, ages 11-18, with sixth form
- Gender
- Mixed
- Religious character
- None
- Local authority
- Westminster
- Ward
- Marylebone
- Constituency
- Cities of London and Westminster
- Setting
- Urban: Nearer to a major town or city
- Opened
- 13 March 2013 (new provision)
- URN
- 139415 · LAESTAB 2136001 · UKPRN 10040842
Recent changes
- New KS4 results for 2024/25
Where these figures come from
- School details: Department for Education, Get Information About Schools, refreshed daily (this page rebuilt 13 September 2026).
- Inspections: Ofsted management information, monthly; latest publication in our data 27 August 2026.
- GCSE results: DfE key stage 4 performance tables, 2024/25 final.
- Pupil characteristics: DfE school census, January 2026.
- Neighbourhood: police.uk street-level crime, HM Land Registry price paid data, NaPTAN bus stops, English Indices of Deprivation 2025.
- All under the Open Government Licence v3.0. Full list and update calendar.