Who are the cleverest royals of all time?

It might not be who you expect...

Hello, Royal Clubbers, it’s Millie here.

It's A-level results day in the UK (the equivalent of APs, for our readers across the pond), which means anxious students up and down the country will be awaiting their academic fate with bated breath.

I certainly recall the butterfly-inducing wait for my own results, though I can only imagine how much worse it would have been if they were intended for public consumption, as is the case for most modern royals who have sat an exam.

For some royals this prospect may be more daunting than it is for others. Put bluntly, it comes down to the braininess of the royal in question!

It seems a bit unfair if a royal is overly endowed with brains given all their other hereditary advantages, but over the years the regal lineage has produced some specimens absolutely brimming with grey matter.

From the 800s to the present day (of course, I couldn’t resist including a bit of history), read on to find out which European princess has attended two of the most prodigious academic institutions, if Princess Kate beat Prince William's A-levels, and who takes the crown for brainiest royal of all…