He has been a Headteacher for the past 16 years and is designated as a National Leader of Education. He was appointed Headteacher of Claremont High School Academy in 1999, and after many years as a Grant Maintained School and then a Foundation School Claremont became one of the early Converter Academies in 2010 after the school was graded Outstanding by Ofsted. In 2015 the academy achieved Outstanding in all categories in an Ofsted inspection. Claremont High School Academy is a national Support School.
Terry currently leads on the Next Step Leadership programme alongside Karen Giles. On behalf of LLS has supported a number of schools across London, in Norfolk and in South Gloucestershire. He has worked on the New Headteachers programme, Gaining Ground and the VIP programme. Terry has been a very active participator and supporter of the Good to Great and Going for Great programmes and a Headteacher mentor in the Securing Good programme. He also lead on the GLA Knowledge Mobilisation programme and has carried out a number of Pupil Premium reviews.