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 the United Kingdom Historical rankings of Prime Ministers of the United Kingdom "The Times" constructed a poll for the first time of all British prime ministers in the lead-up to the 2010 general election. Before this there were two polls in 1999 and 2000, carried out by BBC Radio 4 and the British Politics Group—both consulted only a relatively small number of experts. A wider-reaching poll was conducted in 2004 by the University of Leeds and Ipsos MORI. All rankings involved only prime ministers from the 20th and 21st centuries. In 2004, the University of Leeds and Ipsos Mori conducted an online survey