Staff & Governors

Brentwood School has over 250 teaching staff and 150 support staff. The School Governors help to run the School as a legal trust. To find out more about them, click on the links to left.

Senior Leadership Team
Preparatory Management Team


Mr Jason Whiskerd, BA (Hons)

Mr Whiskerd was educated at Llandovery College and gained both his degree and teaching qualification through the University of Wales. He began his teaching career in 1992 at Parish Church Junior School before moving to his first Independent School post at Alleyn’s School in Dulwich. Mr Whiskerd then went on to spend six years at the King’s School Chester as Deputy Head before taking his first Headship at Aldenham School in Hertfordshire. He became Headmaster of Brentwood Preparatory School in 2011.

Mr Whiskerd is a reporting inspector for the Independent Schools Inspectorate and sits on the Finance Committee for both the Independent Association of Prep Schools and the Independent Schools Council. He is married to Katherine and they have three children who all attend Brentwood School.

Email Mr Whiskerd's Secretary           



Mrs Vanessa Audas, BEd
Head of Early Years & Key Stage 1
Designated Safeguarding Lead (EYFS)

Mrs Vanessa Audas is Head of Early Years and Key Stage One. She joined Brentwood School in 2013, having previously taught at Trinity Road Primary School  and Doddinghurst Infant School where she was the Deputy Head.

Email Mrs Audas' Secretary



Mrs Kerry Cooke, BEd (Hons), RSA Diploma SpLD, NPQH
Deputy Head (Academic)
Head of Drama

Mrs Kerry Cooke is one of the two Deputy Heads and is responsible for all aspects of teaching and learning in the school. She joined Brentwood School in 1997, having previously taught at Wykeham Junior School and St Anthony’s School, Hampstead. She has a BEd (Hons), Cambridge Diploma for teaching pupils with Specific Learning Difficulties, as well as a National Professional Qualification for Headship from the National Leadership. In addition to her teaching, she is the Head of Drama and an ISI inspector.

Email Mrs Cooke



Mrs Susannah Trowell, BSc
Deputy Head 
Designated Safeguarding Lead

Email Mrs Trowell