Sometime before Christmas there was a comment on the ol’ Twitter that (more or less) speculated on what an upcoming Ofsted rating would be, based on an attainment score (at least that’s how I remember it. It could have been some other metric. Look, it’s not important to the story). It immediately made me wonder how close I could get to actual Ofsted judgements without simply using published data. Can you judge a school without ever visiting?
In the spirit of dirty-data delving, I took the DfE’s Revised GCSE scores and school data from the January release and challenged myself to see how…
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