Our Team

We are fortunate in employing a talented and committed staff team at the school. The names and roles of key staff members can be found in the download section at the bottom of the page. Below, you will find brief biographies of our Senior Leadership Team.

Dr Josephine Valentine OBE: CEO Danes Educational Trust

After a PhD in Oral Histopathology and time as a teacher of science, Dr Valentine held the roles of Head of Science, Head of Sixth Form and Deputy Head at a range of schools before becoming Headteacher of St Clement Danes in 1998. Under her leadership, the school expanded whilst becoming ever more oversubscribed and outcomes improved; the school’s results are regularly amongst the very best in Hertfordshire and the country. In October 2011 the school received an ‘outstanding’ grading from Ofsted for all 31 aspects of school provision and performance. Since 2008, St Clement Danes has been a National Support School and Dr Valentine is a National Leader of Education.  In 2013, St Clement Danes was designated a National Teaching School. Dr Valentine now leads the Herts & Bucks Teaching School Alliance, enabling the school to fulfil its vision of providing the same high quality experience of education to students across the local area.

In January 2018, Dr Valentine became CEO of The Danes Educational Trust, encompassing St Clement Danes School and Croxley Danes School.

Dr Valentine is also a member of the DfE’s Headteacher Reference Group, the RSC’s MAT Reference Group and more recently has been appointed Sub-Regional Lead for the NWLSC (North West London South Central) West Region (Berkshire, Buckinghamshire and Oxfordshire) Teaching Schools. In December 2018, it was announced that Dr Valentine was to receive the OBE for Service to Education.

Toby Sutherland MA, MEd (Camb): Headteacher

After time as a teacher of Business and Economics, Mr Sutherland held the roles of Deputy Head of House, Head of Faculty, Assistant Head and Deputy Headteacher at Queens’ school, Bushey before joining St Clement Danes as Deputy Headteacher in September 2017. From January 2018, he takes on the role of Headteacher with responsibility for the day to day leadership of the school. 

Julie Jones MA (Oxon): Deputy Headteacher

Mrs Jones joined St Clement Danes in September 2014 as Assistant Headteacher. She has had responsibility for Assessment, Pupil Premium, Personalised Learning and Teachers' Appraisal and Initial Teacher Training. From September 2018, she takes ont he role of Deputy Headteacher with responsibility for Curriculum. She also line-manages English and Maths as well as chairing Head of Faculty meetings.

Christopher Marks BMus (Hons), MA, NPQH: Deputy Headteacher

Mr Marks joined St Clement Danes in 2005 as Head of Creative & Expressive Arts. In 2013 he joined the Senior Leadership Team, taking on the leadership of personalised support programmes in Key Stage 3 and 4, then acting as Lead Professional for Monitoring and Assessment and Personalised Learning in Key Stages 3 and 4. From September 2017, he takes on the role of Deputy Headteacher with responsibility for the pastoral life of the school. He is the Designated Senior Lead for Child Protection and Mental Health, he also oversees the provision for SEND students.

Sarah Doyle MA, BA (Hons), PGCert: Assistant Headteacher

Ms Doyle joined St Clement Danes School in September 2019 as Assistant Headteacher. She is Lead Professional for Research, Continuing Professional Development and Learning, as well as having responsibility for Appraisal. Previously, she has held various roles in Rickmansworth School and Nower Hill High School, including Associate Assistant Headteacher, Head of the English and Film Faculty, and Literacy Lead.

Michael Garvey MA (Oxon): Assistant Headteacher

Mr Garvey joined St Clement Danes as a teacher of history in September 1999, before becoming Subject Leader in 2002 and then subsequently Director of Sixth Form Studies in April 2008. From September 2016, he takes on the role of Lead Professional for Teaching and Learning, Standards and Continuing Professional Development, developing middle leaders as a facilitator for the NPQML programme. He line-manages social sciences, creative and expressive arts and PE.

Andrew Harris, BA (Hons), PGCE: Assistant Headteacher

Mr Harris joined St Clement Danes School in September 2019 as Assistant Headteacher. He joined teaching in 2010 after working within the defence and security sectors. He subsequently held the positions of Raising Aspirations Coordinator, Head of Year and Assistant Headteacher at a range of schools in London and the South East. Mr Harris is also an associate member of the Chartered Institute of Personnel and Development (Assoc. CIPD) having undertaken professional accreditation within the field of Learning and Development. He line-manages Design, Humanities and Duke of Edinburgh and is Lead Professional for Student Progress, Personalised learning and Intervention as well as Character Education and E-Safety.

Aisling Ryan BA (Hons), PGCE: Director of Sixth Form and Assistant Headteacher

Miss Ryan joined St Clement Danes School as a teacher of English in July 2002, working as part of and then leading a cross-faculty team of Excellent Teachers from September 2006, before becoming Head of English in September 2013. In September 2016, she became Assistant Director of Sixth Form. From April 2017, she took on the role of Assistant Headteacher within Croxley Danes School and from September 2017 also took on the leadership of Assessment and Monitoring within both St Clement Danes School and Croxley Danes School. From January 2017, she takes on the role of Director of Sixth Form.

Rachel Brindley BA(Hons), MEd, NPQH: Director of Herts & Bucks Teaching School Alliance

Ms Brindley first joined St Clement Danes in 1995 and has held a range of roles. She became Head of Year in 1997 and Head of English in 1998. As Lead Advanced Skills Teacher from 2004, she led the Advanced Skills Teachers and Excellent Teachers within St Clement Danes School and provided subject specific support for the English PGCE training programme at the University of Hertfordshire. From 2008 she re-located, working in consultancy, followed by senior leadership within two schools. Upon return to St Clement Danes in 2012, she was appointed a Specialist Leader of Education, assuming responsibility for all ITT provision. She became Director of Teaching School from September 2017.