Cynthia Hall was educated at North London Collegiate and St Anne's College Oxford where she took an MA in English and English Literature. She started her teaching career at Peterborough High School (then Westwood House) and Lady Eleanor Holles before joining the English Department at St Paul's Girls' School in London. She left St Paul's as Head of English to run a consultancy from home for a short period before joining St Helen and St Katharine in 1993 as Head. She took up her appointment as Head of Wycombe Abbey School in September 2008.
Cynthia is a former President of the Girls' Schools Association and sits on the Independent and State School Partnerships Forum which reports to the Schools Minister. Locally, she is a Trustee of the Cressex Co-operative Learning Trust and a Governor of Magdalen College School. A Fellow of the RSA, her interests are ballet, opera, and walking in the countryside (especially Dorset). She is married with two children aged 21 and 24.