Grantham and eminent past students. Britain's first female Prime Minister, Margaret Thatcher, attended Kesteven and Grantham, and Isaac Newton famously attended The King's. Both have remained single-sex up to the age of 16. In 1970, Kesteven County Council (based in Sleaford) announced plans to turn the grammar schools into co-educational comprehensives for ages of 11–16 and leave Grantham College the only sixth form for the town. Later it was proposed to create two sixth-form colleges from one of the grammar schools. Other parts of Kesteven became comprehensive but responsibility for education passed to Lincolnshire under the local government reorganization of 1974,
Death and funeral of Margaret Thatcher polarised views about Thatcher on Twitter, and endorsing campaigns and demonstrations. Anti-Thatcher sentiment prompted a campaign on social media networks to bring the song "Ding-Dong! The Witch Is Dead" from "The Wizard of Oz" into the UK Singles Chart, followed by a counter-campaign adopted by Thatcher supporters in favour of the 1979 tongue-in-cheek punk song "I'm in Love with Margaret Thatcher" by the Notsensibles, which had been started by the band's lead singer. On 12 April 2013, "Ding-Dong!" charted at number 2 across the UK (it made number 1 in Scotland), and "I'm in Love with Margaret Thatcher" at number