"Looking at the Curve project - and it's a wonderful theatre and I am very proud to have it - but it really is one of the most expensive and badly handled projects in this city's history, " he said.

BBC: 'Ludicrous' cost of Curve theatre project

My role would be to project what his earning curve would be had he lived and played professional basketball at any level, been involved in television commentary, or worked in his field of criminal justice.

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But the intention is to provide a more multi-dimensional view of educational achievement - and create a databank which will be updated, in a project that Pearson is calling the Learning Curve.

BBC: UK education sixth in global ranking