Sir Henry Floyd Grammar School is a co-educational secondary school and sixth form based in Aylesbury, Buckinghamshire, providing education for students aged 11 to 18. The school operates as a selective grammar academy and is part of the Insignis Academy Trust. Located on Oxford Road, it serves Aylesbury and the wider Buckinghamshire area, with entry typically based on performance in the Buckinghamshire secondary transfer test.

The school offers a broad academic curriculum including GCSEs and A-levels, alongside extracurricular activities in areas such as sports and performing arts. Facilities include specialist teaching spaces, sports grounds, and a sixth form provision supporting post-16 education. Sir Henry Floyd Grammar School is one of several grammar schools in Aylesbury and forms part of the town’s wider secondary education system.

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Overview written 25 March 2026.