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,
Margaret Thatcher had been cremated. On 28 September, a service for Thatcher was held in the All Saints Chapel of the Royal Hospital Chelsea's Margaret Thatcher Infirmary. In a private ceremony, Thatcher's ashes were interred in the grounds of the hospital, next to those of her husband. Thatcherism represented a systematic and decisive overhaul of the post-war consensus, whereby the major political parties largely agreed on the central themes of Keynesianism, the welfare state, nationalised industry, and close regulation of the economy, and high taxes. Thatcher generally supported the welfare state, while proposing to rid it of abuses. She promised in 1982