Last updated 7 October 2026
School Guide verdict
St Margaret's School is an independent co-educational secondary in Bushey where pupils achieve good GCSE passes well above the national average, earning it a 4-star rating from School Guide. At its 2025 ISI inspection, the quality of pupils' personal development was judged excellent, with academic achievements and school leadership rated good.
Top grades at GCSE (7-9) and top grades at A level (A*/A)
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.
At its 2025 ISI inspection, St Margaret's School was judged excellent for the quality of pupils' personal development, and good for academic achievement, the success of the school, and leadership and management.
Pupils achieve 85% good GCSE passes (5+ GCSEs grade 9-4 including English and maths), which sits well above the national average of 38.9%.
There are 799 pupils on roll across the school.
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