Leadership team

Head Teacher
Mrs Helen Cullen

BSc (Hons)
Sports and Exercise Science with Human Biology, Designated Safeguarding Lead

Mrs Cullen was educated at Leweston School in Sherborne before studying a degree in Sports and Exercise Science with Human Biology. She completed her PGCE at St Luke’s, Exeter University. With a teaching career based in the South West, Mrs Cullen has worked in schools in both Devon and Somerset, starting her career as a PE teacher before quickly progressing to middle leadership positions including Head of Year and Head of PE.

Mrs Cullen joined Sexey’s in September 2018 after being Vice Principal at Preston School in Yeovil for 10 years. During this time she was the whole school lead for Pastoral matters including safeguarding, students’ wellbeing and support, student achievement and vulnerable students. Having been a SENDCo for 8 years Mrs Cullen is passionate about inclusion and ensuring education is accessible for all students and that no student is disadvantaged by opportunity or resource. She is Designated Safeguarding Lead at Sexey’s.

Mrs Cullen is delighted to be leading the school & staff at Sexey’s and will be further developing the strong reputation that Sexey’s has for being a highly successful State Boarding school, with strong GCSE and A level results.

hcullen@sexeys.somerset.sch.uk

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Assistant Headteacher - Curriculum, Data and Standards
Mr Ross Dalzell

BSc (Hons) Mathematics with Statistics (Hertfordshire)
Mathematics

Mr Dalzell joined Sexey’s School in April 2019, having worked at King Arthur’s Community School as Assistant Headteacher – Curriculum and Assessment and Head of Mathematics since 2014. While there, he led on curriculum development, timetable design, examinations and data, and implemented strategies to improve students’ progress. He brings this knowledge with him to Sexey’s, along with a passion for tailoring solutions so that each student has a unique learning and development experience.

A keen traveller and sportsman, Mr Dalzell has participated in many running events, triathlons, multi-obstacle races and the round the Isle of Wight yacht race alongside building his teaching career in schools in Portsmouth, Somerset and Dorset since completing his PGCE in Mathematics at Cambridge University in 1999. He also enjoys spending family time with his wife and young daughter.

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Assistant Head - Teaching and Learning
Mr Dan Glover

BSc (Loughborough)
Geography

Mr Glover was educated at Great Torrington School and North Devon College, before studying Geography at Loughborough University. He went on to undertake his PGCE at Nottingham University and his first teaching post was at Longsands Academy, St Neots, Cambridgeshire for three years. During this time he became the Head of a Key Stage Three House. An overseas position as Head of Geography at Greentsteds International School, Kenya, held for two years, allowed him the opportunity to broaden both his teaching and travelling experiences.

He returned to Longsands Academy as the Head of Key Stage 4 where he had the overall responsibility for raising standards and for the pastoral support of the entire Key Stage 4 cohort. In 2016 he made the move with his family to Somerset when he was appointed Head of Geography at Sexey’s School, a role that he thoroughly enjoyed.

The experiences that he gained in Cambridgeshire, Kenya and Sexey’s allowed him the opportunity to undertake his current role of Assistant Headteacher, Teaching and Learning. He is passionate about teaching and learning and is building upon the outstanding practice that is taking place in Sexey’s with a forward-thinking and student-centred outlook in all that we do.

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Assistant Head - Pastoral
Mr Philip Clackson

BSc (OU)
Mathematics & Safeguarding Officer

Mr Clackson joined Sexey’s in 2002 as Head of Mathematics. He also served as Housemaster of Walwin House from 2003-2008 and was a Staff Governor from 2008 – 16.

Mr Clackson became Assistant Head – Pastoral in 2016 and sits on the School’s Safeguarding Team. He is also father to four children who have all attended (or continue to attend) Sexey’s, making him well placed to understand the challenges and expectations of both secondary school students and their parents!

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Director of Sixth Form
Mr John Moise

Med, BSc (Hons)
Sport Science

Mr Moise was educated at Sturminster Newton High School, and then The Gryphon Sixth for A-Levels, before studying a degree in Sport Science at Swansea University.  He completed his PGCE and Masters degrees at St Luke’s, Exeter University.  Mr Moise has taught across both Dorset and Somerset to date, starting his career as a PE teacher in Weymouth, before moving to become Head of Year at Preston School in Yeovil.

Mr Moise spent 8 years at Preston School in Yeovil, where he was fortunate enough to be able to teach PE, Geography, ICT, French, and Foundation Learning.  During this time he was able to take on a part time role as the Acting SENCo, while his final three years involved guiding a year group from Year 9 through until their final exams in Year 11.

With a passion for PE, comes a love of everything outdoors and Mr Moise has been involved in many Duke of Edinburgh expeditions, school Ski Trips, and Sporting trips.  This all stems from his initial employment endeavors as a Ski Instructor in North America and an Outdoor Activity Instructor in the New Forest.

Mr Moise is excited to be able to pull on all of his experiences to date to help further build and raise the profile of the Sexey’s Sixth Form within Somerset.

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Director of Boarding
Mr Haydn Kershaw

BSc (Nottingham)
Science

Mr Kershaw attended Thorden School, Hampshire before taking A Levels in Biology, Chemistry and Physics at King Edwards VI School, Southampton. He studied Applied Biology at Nottingham University, a subject that allowed him to expand beyond the pure Science content and see how the subject comes alive in a practical environment.

After some travel in India and South East Asia, Mr Kershaw completed his PGCE at UWE, Bristol. His first teaching post was at Ansford Academy, Castle Cary, Somerset where he held positions as Head of ICT and Head of Science, supporting growing academic outcomes for the students in both positions. Beyond teaching he helped his students to explore life outside the classroom, including cycle trips around France, a student exchange to Zambia and Skiing across the Alps.

Mr Kershaw broadened his experience further by working in a range of school in differing context. From Mount Kelly, a rural independent school in Devon, to Chamberlayne College for the Arts, an urban comprehensive in Southampton city. In each context Mr Kershaw worked hard to improve outcomes for his students and the teams that he worked alongside.

Mr Kershaw joined Sexey’s as a Science teacher in September 2019 and started to support the boarding provision alongside his teaching. He was appointed as Director of Boarding in January 2020 (Interim from November 2019) and is looking forward to using his passion for student-centred growth and helping students to define and reach their high ambitions, both academically in school and and throughout their lives.

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Business Manager
Mr Gary French


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