The new Archbishop of Canterbury went to Eton...

[JustGiveMeFiveMinutes]

...so did the PM, the Chancellor of the Exchequer, the Mayor of London and Prince William, our future King.

I'm not sure this is a particularly healthy state of affairs...

Maggie Thatcher, John Prescott and Cecil Parkinson had other jobs before becoming politicians.

I agree with JustGive its more to do with the range of backgrounds and experiences of politicians than highlighting any one school.