Records of Prime Ministers of the United Kingdom Wilmington to Theresa May) University college with most alumni Prime MinistersChrist Church, Oxford13 (George Grenville to Sir Alec Douglas-Home) Vocational institution with most Prime Ministers as studentsThe Inns of Court11 (Lord Wilmington to Tony Blair). Of these, eight passed through Lincoln's Inn (William Pitt the Younger to Tony Blair). The first Prime Minister never to have been a university graduate was the Duke of Devonshire (served 1756–57), the last (as of ) was John Major (served 1990–97). The earliest Prime Minister to be an armed forces veteran was Henry Pelham, Prime Minister in 1743–54, who had served as a volunteer
Historical rankings of Prime Ministers of Canada ministers, this time splitting them into two lists. The long-serving prime ministers were ranked as follows: The short-term prime ministers were ranked as follows: Historical rankings of Prime Ministers of Canada Historical rankings of Canadian prime ministers are surveys conducted in order to construct rankings of the success of individuals who have served as Prime Minister of Canada. Ranking systems are usually based on surveys of academic historians, economists and political scientists. The rankings focus on the achievements, leadership qualities, failures and faults in office. "Note: Click the "sort" icon at the head of each column to view the rankings