Averaging the nth largest numbers in a list | Musings on Education

I use Excel quite heavily – looking at cohort data, children’s attainment and calculating value added scores. All pretty usual teacher stuff. Sometime I look across multiple schools and sometimes nationally, but all pretty standard Excel functionality.

Recently I was looking at a school’s tracking spreadsheet for progress in internal testing. It looked like this:

Basic functionality of taking the scores for the 10 individual tests and calculating an average using the Excel function =Average(data range).
The school wanted to use this data to suggest what set the students should be…

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