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Arnold House School

Westminster, NW8 0LHAll-throughAges 3–13BoysPrivate

About Arnold House School

Arnold House School is an independent day school in Westminster, London, for pupils aged 3 to 13 for boys. GIAS records 359 pupils on roll and a published capacity of 385.

Figures can refer to different reporting periods. Check the date and source shown beside each section. How Classpot uses published data.

GIAS school facts

Official identity and contact facts; operational fees and services appear only when separately reviewed.

Age range
3–13
Education stages
Early years, Primary, Secondary
Gender
Boys
Pupils on roll
359
Published capacity
385
Inspectorate
ISI inspection regime
Day-school evidence
No boarders; Does not have boarders
Area classification
Urban: Nearer to a major town or city
Published admissions policy
Selective
Address
1-3 Loudoun Rd, St John's Wood, London, Westminster, NW8 0LH
Telephone
02072664840
School website
Visit official website

Source: GIAS establishment record · published 20/08/2026

Pupils and staffing

Official figures for 2025/26.

Pupils
359
Girls / boys
0 / 359
Teachers (headcount)
39
Teachers (FTE)
34.5
Pupils per teacher FTE — not class size
10.4
Area classification
Urban: Nearer to a major town or city
Published admissions policy
Selective

Source: official publication (04/06/2026) · official publication (04/06/2026)

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