Dr Colin Diggory


Colin is a former Headmaster who retired after 8 years as Head of Alleyn’s School (IAPS, HMC) Dulwich, following 11 years as Head of Latymer Upper School, (IAPS, HMC), Hammersmith. During his Headship at Latymer he founded The Latymer Preparatory School and introduced co-education. He has 34 years’ experience teaching in the independent sector at Manchester Grammar School; St. Paul’s School; Merchant Taylors’ School, Northwood; Latymer Upper School and Alleyn’s School.

Colin graduated from Grey College, Durham University with a 1st Class Honours in Mathematics and his doctoral thesis on independent school leadership, organisational structure and effectiveness was awarded an Open University Vice-Chancellor Award for Education and Language Studies. As a Chartered Mathematician, Colin is a Fellow of the Institute of Mathematics and its Applications and is also a Fellow of the Royal Society of Arts.

Colin has been a Chief Examiner at A level, an Ofsted assessed Lead Inspector of Independent Schools, Chairman of the HMC London Division, founding Chairman of the HMC Junior Schools Group, a Governor at state and independent senior and junior/preparatory schools and a Trustee of two charitable trusts.

Since retiring as a Head in 2010, Colin has been Chairman of the Board of Directors of the Radnor House Group, established the same year, which set up an independent school in Twickenham for boys and girls aged 9-18; and a co-educational school in Sevenoaks for ages 4-18 (formerly Combe Bank Girls’ School).

He has also worked as a Senior Consultant advising on Headship recruitment, appraisal and leadership training and as a facilitator in helping schools to plan strategy and manage change. In his free time, Colin and his wife enjoy walking around London, on the South Downs and in Mallorca and spending time with their seven grandchildren in the UK and Australia.