How does the DfE and Ofsted measure Progress at Key Stage 1?
Why should KS1 progress be measured at all?
Paragraphs 185 and 187 of Ofsted's School Inspection Handbook, which is the manual for Ofsted inspectors, include the following:
185. Inspectors will take account of current standards and progress, including the school’s own performance information, and make a relevant judgement on academic and other learning outcomes for pupils by evaluating the extent to which all pupils:•progress well from their different starting points and achieve or exceed standards expected for their age nationally (at the end of a key stage), or within the school’s own curriculum...187. In judging achievement, inspectors will give most weight to pupils’ progress. They will take account of pupils’ starting points in terms of their prior attainment and age when evaluating progress. Within this, they will give most weight to the progress of pupils currently in the school, taking account of how this compares with the progress of recent cohorts, where there are any. Inspectors will consider the progress of...