School profile
About the school
John Lyon Prep School is the former Quainton Hall School on Hindes Road in Harrow. It joined John Lyon in 2020 and adopted the John Lyon name in January 2024.
Plan a visit
Seeing the school in person can help you decide. Ask about open days and individual visits.
Hindes Road, Harrow, Middlesex England, HA1 1RX
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Confirm the visitor entrance with the school before travelling.
Summary based on school and official-source evidence. Fees, entry ages and availability should be confirmed with the school. Identity and operating status checked using supporting evidence (checked 2026-11-05). Is something out of date? Request a correction.

