Our exceptional team of staff

Mr McCafferty joined Newton Prep as Head in September 2025, from Rosemead Preparatory School, Dulwich, where he was formally promoted to Head in January 2023, having been the Deputy Head Academic since 2019 and playing a pivotal leadership role since late 2021.

Mr McCafferty began his teaching career with a Bachelor of Education from the University of  West of Scotland. He completed his teacher training and initial NQT year in Glasgow. He then spent five years abroad teaching in Dubai as ICT Coordinator, Head of Years 4 and 5, and a member of the Senior Management Team. In 2013, he moved to the British International School of Shanghai as the Lead Practitioner for Teaching and Learning. He then returned to London to join Dulwich Prep as Director of Studies and Assistant Head of Lower School until 2019.

With a degree in Psychology from Exeter and a PGCE from Cambridge, Mr Archdale brings a deep interest in educational psychology and emotional wellbeing to his leadership at Newton Prep. He has held a variety of pastoral and academic roles since joining the school in 2017, including Head of Year 3, Head of Year 5, and Head of House. Now Deputy Head for Years 3 to 5, Mr Archdale oversees the day-to-day running and pastoral care of the Middle School, and also serves as the school’s Designated Safeguarding Lead and Attendance Champion. He currently teaches Year 8 Geography and is a strong advocate for outdoor learning and proactive, positive pastoral care.

Mr Broxham joined Newton Prep in 2022, bringing with him a wealth of leadership experience across the education and finance sectors. A Cambridge engineering graduate, Mr Broxham has managed school operations, and lectured in financial markets at the Florence School of Banking & Finance. At Newton Prep, Simon oversees all non-academic operations, including finance, estates, HR, IT and compliance, ensuring the school runs smoothly and sustainably for pupils, staff and families alike.

Mrs Clothier joined Newton Prep in 2004, bringing with her a combined Bachelor of Education and Diploma of Teaching from the University of Otago and early teaching experience in New Zealand. Her career began as a one-to-one teaching assistant for a child with special educational needs, an experience that continues to shape her inclusive and nurturing approach. Since then, she has taught across Nursery to Year 2, with a deep passion for these formative years of education. Over her time at Newton, Mrs Clothier has held a variety of leadership roles including Assistant Head of Lower School, maternity cover as Lower School Lead and, from September 2025, Deputy Head of Lower School.

Dr Graham joined Newton Prep in September 2025. At her previous school, she led on Learning Innovation and pupil progress, alongside heading the Classics department. She holds a BA and MA in Classics and was recently awarded a Doctorate of Education from the University of Reading. Passionate about evidence-led teaching, Dr Graham is particularly focused on metacognition and helping pupils become motivated, self-regulated learners. She has a strong interest in how digital tools can enhance traditional teaching, and is committed to empowering both staff and pupils to thrive.

Ms Hales has been a central part of Newton Prep for over 25 years. Joining originally as a Year 3 teacher, she has since taken on a number of key leadership roles, including Head of English, Head of Year 6, Examinations Officer, Assistant Head of the Upper School and Deputy Head Years 6-8. With a BAEd in English from Durham University, she continues to teach English in the upper years. Ms Hales has also guided Newton families through the process of transfer for senior schools for over a decade. She is deeply committed to the academic and personal development of pupils in Years 6–8, fostering ambition, confidence, and independence. Under her leadership, children are prepared not only to succeed academically but also to flourish as well-rounded, resilient young people in their future schools and beyond.

Mrs Stark leads on all aspects of external relations, including branding, advertising, digital strategy, and marcomms. She has a PGCE from UCL’s Institute of Education and a background in teaching English, before she moved into school admissions. Mrs Stark joined Newton Prep from a Senior Leadership role at another London independent school, where she oversaw admissions, marketing and communications, and led on award-nominated campaigns.  She specialises in aligning marketing and communications with a school’s values and strategic goals, and is committed to creating engaging, inclusive content that connects with families.