Arnold House School

1-3 Loudoun Rd, St John's Wood, NW8 0LH

Independent school for ages 3–13 in St John's Wood. Boys intake, Church of England ethos.

Arnold House School is a selective independent boys' school with a Church of England ethos in Westminster, teaching around 360 pupils aged 3 to 13, with nursery classes.

Its ISI inspection in September 2025 found all relevant standards met, including safeguarding.

The school says it was founded in 1905 and describes a central London setting with facilities for boys to thrive. ISI's 2025 summary described a supportive and stimulating environment where pupils are valued as individuals and develop academically, socially and culturally.

Ages 3–13 · All-through

363 pupils · On roll

Independent school · Boys

Open days and visits at Arnold House School

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Primary applications close on 15 January 2027; secondary applications close on 31 October 2026. Sign in and create a planner to keep the deadline and school visits together. See Westminster’s deadlines and how to apply →