Halcyon London International School
33 Seymour Place, London, W1H 5AU
- Phase
- Independent schools
- School type
- Other independent school
- Ages
- 11 to 18
- Gender
- Mixed
- Religious character
- None
- Director
- Mr Jeffrey Lippman
- Constituency
- Cities of London and Westminster
- Setting
- Urban: Nearer to a major town or city
- Capacity
- 230
- Pupils on roll
- 157
- URN
- 139415
- Local authority
- Westminster
- Website
- School website
- Telephone
- 02072581169
About this school
Halcyon London International School is an independent school in London. It teaches children aged 11 to 18 and has 157 pupils on roll.
Ofsted has not yet inspected Halcyon London International School under its current framework. Where the Department for Education has published them, its results and pupil characteristics appear below. Numbers and a report only go so far, so visit in person before you apply.
Ofsted judgement
Halcyon London International School has not been inspected by Ofsted yet. It opened in its current form in March 2013, and new or converted schools usually wait a few years for their first inspection.
Exam results
Key stage 4 (GCSEs)
| Measure | 2022/23 | 2023/24 | 2024/25 |
|---|---|---|---|
| Pupils at the end of key stage 4 | 25 | 28 | 27 |
| Attainment 8 score | - | - | - |
| Progress 8 score | - | - | - |
| Grade 5 or above in English and maths | - | - | - |
| Grade 4 or above in English and maths | - | - | - |
| Entered the English Baccalaureate | - | - | - |
| English Baccalaureate average point score | - | - | - |
Progress 8 is paused nationally for the 2024/25 and 2025/26 school years. Those pupils sat no key stage 2 tests during the Covid pandemic, so there is no starting point to measure progress from. A blank figure here is not missing school data.
Trends over time
How Halcyon London International School has moved over recent years against the local and national picture. Every figure is shown in the table beneath its chart.
| Year | This school |
|---|---|
| 2022/23 | 170 |
| 2023/24 | 187 |
| 2024/25 | 165 |
School census, spring count each academic year.
School context
From the 2024/25 school census and absence figures.
- Free school meals (last 6 years)
- 0%
- Pupils on SEN support
- 30
Location
Nearby schools
-
Wetherby Preparatory School0.1 miles
Independent schools · London
-
Sylvia Young Theatre School0.1 miles
Independent schools
-
Connaught House School0.1 miles
Independent schools
-
ICS London0.3 miles
Independent schools · London
-
Wetherby Senior School0.5 miles
Independent schools · London
Other schools in London
- Al Risalah Boys' School Independent schools
- Al Risalah Secondary School Independent schools
- Al-Falah Primary School Independent schools
- Al-Mizan School Independent schools
- Al-Sadiq School Independent schools
- Alleyn's School Independent schools
- Alleyns Regents Park Prep Independent schools
- Alternative Centre of Education Independent schools
- Annemount School Independent schools
- Arco Academy Independent schools
- Arnold House School Independent schools
- ArtsEd Day School & Sixth Form Independent schools
Common questions
- What year groups does Halcyon London International School teach?
- Halcyon London International School teaches children aged 11 to 18. It is an independent school in London.
- Who is the director of Halcyon London International School?
- The director of Halcyon London International School is Mr Jeffrey Lippman, as recorded in the Department for Education's register of schools.
- Has Halcyon London International School been inspected?
- Ofsted has not inspected Halcyon London International School under its current framework, so no current judgement is shown. That is common for newer schools and is not a mark against a school.
- How big is Halcyon London International School?
- Halcyon London International School has 157 pupils on roll, teaching children aged 11 to 18.
- Is Halcyon London International School full?
- Halcyon London International School has capacity for 230 pupils and 157 on roll (68%), so it has space against its published capacity. Places are allocated through the local authority's admissions process, so capacity alone does not tell you whether a place is available.
- Is Halcyon London International School a faith school?
- No. Halcyon London International School has no designated religious character.
- What are Halcyon London International School's exam results?
- Where the Department for Education has published them, Halcyon London International School's key stage results are shown in the results section on this page, with the last three years so you can see the trend rather than a single year.
School details come from the Department for Education's Get Information About Schools register. Inspection outcomes come from Ofsted, and exam results from the Department for Education's school performance service. This page was last updated on 24 July 2026.