John Tomsett has been a teacher since 1988 and a head teacher since 2003. He is head teacher at Huntington School, York. Tomsett writes a blog called 'This much I know ...' and is a regular contributor to the TES. He co-founded The Headteachers' Roundtable think tank and is a popular speaker on school leadership. He is determined to remain a classroom teacher, despite the demands of headship, and believes that developing truly great teaching is the main responsibility of all head teachers.