Upton House School
Berkshire, Windsor and Maidenhead, South East · SL4 3DF
Upton House School is a small independent prep taking children from age two through to eleven, with around 278 pupils on roll in Windsor and Maidenhead, Berkshire. Its compact size lends itself to close attention and a sense of community across the early and primary years. The school is mixed and has no religious affiliation. Following its most recent inspection, the Independent Schools Inspectorate awarded the highest rating of "excellent". The school is led by Head Mrs Rhian Thornton.
278
Pupils
excellent
ISI
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- Gender
- Mixed
- Type
- independent (fee-paying) school
- Age range
- 2-11
- Pupils
- 278
- Location
- Berkshire, Windsor and Maidenhead, South East
- Website
- https://www.uptonhouse.org.uk/
- Telephone
- 01753 862610
Headteacher
Head Mrs Rhian Thornton
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Teaching & academics
The Independent Schools Inspectorate judged Upton House "excellent", its top grade, and confirmed that regulatory requirements were met in full. With a roll of fewer than 300 pupils spanning nursery to Year 6, classes are likely to be intimate, allowing teaching to be closely tailored as children move towards the 11+ stage.
Ethos & heritage
- Religious character
- None
- Boarding
- No
Inspection reports
- ISI rating
- excellent
- ISI personal development
- excellent
- Last inspected
- 4 February 2025
The last word
A small, non-denominational prep with an "excellent" ISI verdict across the board, well suited to families wanting a close-knit start from the early years through to eleven.
The Passmate verdict
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Upton House School 11+: frequently asked questions
Where is Upton House School located?
Upton House School is located at 115 St Leonard's Road, Windsor, Berkshire, SL4 3DF.
What type of school is Upton House School?
Upton House School is an independent (fee-paying) school in South East.
How many pupils attend Upton House School?
Upton House School has approximately 278 pupils on roll.
What is Upton House School's inspection rating?
Upton House School is inspected by the ISI and was judged "excellent" at its inspection on 4 February 2025.
Compiled from public data. Last checked June 2026.