Last updated 18 September 2026
School Guide verdict
Radnor House is a mixed independent secondary in Twickenham that earns a 5-star rating from School Guide. At its 2025 ISI inspection, the school was judged excellent for the quality of pupils' academic and other achievements. Its previous inspection by Ofsted in 2012 awarded the school an Outstanding grade.
School Description
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This school is independently managed and its admission criteria may be selective. There is no set catchment area as pupils are admitted from a wide variety of postcodes and, in the case of boarding schools, from outside the UK. Contact the school directly or visit their website for more information on Admissions Policy and Procedures.
In 2025, the Independent Schools Inspectorate (ISI) judged the school excellent for the quality of pupils' academic and other achievements.
Radnor House has 471 pupils aged 11 to 18.
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