Senior Leadership

Mr Stephen Jeffries
Chief Executive, Leicester Grammar School Trust
Stephen leads the Trust strategically as the principal officer. He chairs the Executive Committee, working with the Heads of the three schools to ensure pupil wellbeing, personal development and educational achievement are at the heart of every decision.
Stephen has lived almost his entire life in the East Midlands and the last 25 years in Leicestershire. Educated at Nottingham High School, he went on to read Law at the University of Leeds.
Stephen trained as a Chartered Accountant with EY, and spent a further decade at KPMG and PwC in their Midlands practices. Following this, he held a senior finance role in a FTSE 100 company before serving as a Finance Director for eight years in the Financial Services sector.
Stephen joined the Trust in 2019 as Director of Finance and Operations. He brought extensive experience in directing the Trust’s financial, operational and compliance functions, including legal, HR, IT, and data protection. He also serves as Director and Chair of LGS Enterprises, the Trust’s trading subsidiary.
Stephen is a keen pianist and is passionate about sport. While he may no longer be the champion sprinter from his school days, he enjoys playing squash regularly and is a season ticket holder at Nottingham Forest. He is immensely proud of his two sons, both of whom were educated within the Trust.

Mrs Sophia Ashworth Jones
Headmistress, Leicester Grammar Junior School
Sophia began her career as a teacher aged twenty one, after qualifying from Leeds University with a BSc QTS. With swift progression into Headship, she has enjoyed an extremely varied and rewarding career in leadership in education across the UK and overseas. For over twenty years, she has led and worked in nurseries, infant, junior, prep and boarding settings and insists on continuing to teach alongside her headship commitments. Making sure that all children feel valued, with a healthy sense of self-worth and belonging is a priority for Sophia, knowing that the early chapters of schooling play a huge part in shaping lifelong learners and happy adults.
Sophia joined the Leicester Grammar School Trust as Head of the junior school in 2021 where she enjoys the powerful sense of community and support that accompanies the role.
When not at work, Sophia is likely to be found enjoying live music, creating at her sewing machine or out and about in nature.

Mrs Christina McCullough
Headmistress, LGS Stoneygate
Christina joined the Leicester Grammar School Trust in September 2023 from The Kinglsey School, Leamington Spa where she was in post as Senior Deputy Head and previously Acting Head and Pastoral Deputy.
She began her career at Princethorpe College, Rugby teaching PE and Geography and she enjoyed being part of the wider pastoral life of the school.
Christina loves to travel and is passionate about pupils taking part in the co-curricular life of the school.

Mr Magnus Anderson
Headmaster, Leicester Grammar School
Magnus was educated at Haberdashers’ Boys’ School and went on to Pembroke College, Cambridge to read Engineering. From university he joined the NHS Management Training Scheme and spent four enjoyable years working at the National Institute for Clinical Excellence where he managed various projects, including establishing the new interventional procedures programme. He also gained a Master’s degree in Health and Social Care Policy at this time. Magnus moved on to work for a medical charity in the UK and the Democratic Republic of Congo, before entering the world of strategy consulting with OC&C in London.
At the age of 33 he began his teaching career at Lingfield College, before moving to Caterham School as Head of Physics, later becoming Head of Year. After seven happy years at Caterham, he relocated with his family to Leicestershire and joined Leicester Grammar School in 2019 as Academic Deputy Head. He was subsequently promoted to Senior Deputy Head and then Headmaster in 2025.
Beyond school he enjoys spending time with his family, undertaking renovation projects (sometimes successfully) and exploring the great outdoors on foot or two wheels.
