Katherine Haynes BA Hons MEd NPQH is an alumna of Oxford High School, 1980-1987. She has been Head of The John Lyon School, in Harrow, Middlesex, an HMC independent day school with 600 boys, from 11 to 18 years, since 2009. The John Lyon School, with Harrow School, is part of the John Lyon’s Foundation alongside John Lyon’s Charity. From 2014 to 2017, she chaired the national Forum of Independent Day Schools, and she holds the National Professional Qualification for Headship. Previously, Katherine taught at Warwick School as Head of Mathematics and at Edgbaston High School for Girls in Edgbaston, Birmingham. She is a Reporting Inspector with the Independent Schools’ Inspectorate, having inspected since 2006, and has previous experience as a Governor of a coeducational London preparatory school.