Reading Time: 5 minutes Does vague terminology from Ofsted cause considerable frustration for [parents,] teachers and school leaders? EDSK (Education and Skills), a new think tank has published a new report on the validity of Ofsted grading schools reliably: Since it was created over 25 years ago, Ofsted has not published any research to support the notion that their judgements on schools accurately reflect the quality of education that a school provides. This is my quick-read summary of the report…