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,
Frederick Thatcher Frederick Thatcher The Reverend Frederick Thatcher (1814 – 19 October 1890) was an English and New Zealand architect and clergyman. He was born at Hastings to a long-established Sussex family. He practised as an architect in London from 1835 and was one of the earliest associates of the Institute of British Architects, being admitted in 1836. He designed the workhouse in Battle, East Sussex in 1840. With his dead wife's brother Isaac Newton Watt, (1821–1886) he sailed from Plymouth on the barque "Himalaya", and landed in New Plymouth, New Zealand, on 23 December 1843. Thatcher worked in New Plymouth then