Halcyon London International School
Halcyon London International School is an independent school in Westminster for pupils aged 11 to 18. It has 157 pupils on roll. The latest Ofsted rating for Halcyon London International School is Outstanding, from an inspection in May 2020.
Ofsted inspection: May 2020. A-level results: 2025.
| Type | Independent School / Other independent school |
| Age Range | 11-18 |
| Religion | Unknown |
| Address | 33 Seymour Place London W1H 5AU |
| Phone | 02072581169 |
| Reference Number | 139415 |
General Makeup
| Number of pupils | 157 |
| Boy/Girl ratio |
Boys: 58.6%
Girls: 41.4% |
Year Groups
| Year | Boys | Girls | Total |
|---|---|---|---|
| 7 | Unknown | Unknown | Unknown |
| 8 | Unknown | Unknown | Unknown |
| 9 | Unknown | Unknown | Unknown |
| 10 | Unknown | Unknown | Unknown |
| 11 | Unknown | Unknown | Unknown |
| 12 | Unknown | Unknown | Unknown |
| 13 | Unknown | Unknown | Unknown |
Ethnicities
| Ethnicity | Percentage |
|---|
Halcyon London International School has been rated as outstanding across all aspects of its inspection. The school demonstrates a commitment to high academic standards and personal development, creating a safe and nurturing environment where pupils thrive. With a diverse student body representing over 40 different nationalities, Halcyon effectively supports the needs of both local and international students, ensuring that newcomers quickly adapt to its learning culture. The school offers a well-rounded curriculum, integrated with ample opportunities for personal growth and community involvement, which allows pupils to reach their full potential.
| Overall Ofsted Rating | Outstanding |
| Last Report Date | 03 Mar 2020 |
| Date | Report |
|---|---|
| 03 Mar 2020 | Standard inspection: |
| 04 Apr 2017 | Standard inspection: |
| 14 Jan 2014 | Standard inspection: |
Strengths
- Exceptional quality of education in all subjects
- Highly skilled and enthusiastic teaching staff
- Strong commitment to personal development and student well-being
- Effective support for pupils with special educational needs
- Extensive use of technology in learning
- High standards of behaviour and mutual respect among pupils
- Exemplary leadership and management practices
Points
| Points | Percentile (local) | Percentile (nationwide) | |
|---|---|---|---|
| Average Points | 40.13 | Locked: unlock for £9.99, one-off payment | Locked: unlock for £9.99, one-off payment |
Grades
| School | Local | Nationwide | |
| Average Grade | B | B- | C+ |
| Average Grade (best 3) | NE | B- | C+ |
| Percentage | Percentile (local) | Percentile (nationwide) |
|---|
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See how Halcyon London International School ranks locally and nationally. Percentile rankings against every other school, historic result charts, admissions data and post-GCSE destinations are all included.
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Unlock for £9.99In 2025–26, 19.1% of pupils at Halcyon London International School were on SEN support (nationally 18.4%) and 0.0% had an education, health and care (EHC) plan (nationally 7.9%).
Source: Department for Education, Special educational needs in England (the 2025–26 school census). SEN support is extra help in school without an EHC plan. National figures are for all state-funded independent school schools. Counts are as published, with small numbers not hidden.
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What is Halcyon London International School's Ofsted rating?
The latest Ofsted rating for Halcyon London International School is Outstanding, from an inspection in May 2020.
When was Halcyon London International School last inspected by Ofsted?
Halcyon London International School was last inspected in May 2020.
How many pupils does Halcyon London International School have?
Halcyon London International School has 157 pupils on roll.
What age range does Halcyon London International School cover?
Halcyon London International School for pupils aged 11 to 18.
Where is Halcyon London International School?
Halcyon London International School is at 33 Seymour Place, London, W1H 5AU.