For too long, schools were able to hide behind one-word appraisals – now they cannot simply get rid of SEND students who challenge the data, writes Ofsted’s former chief inspector, Michael Wilshaw Sign up for our free Voices newsletter for expert opinion and columns Sign up for our free weekly Voices newsletter for expert opinion and columns Sign up to our free weekly Voices newsletter Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our