States of America. Boston Grammar School's current library, built in 1567, is believed to be the oldest academic building in continuous use in England. The King's School, Grantham traces its history back to 1329 when the first teacher was appointed. In 1528 the school was re-endowed by Bishop Richard Foxe of Winchester who also founded Corpus Christi College, Oxford. The school library, a grade I listed building, was the original School House. Among its many old boys are Lord Burghley, Chancellor to Queen Elizabeth I, and Sir Isaac Newton. Kesteven and Grantham Girls' School with specialist science status, opened in 1910 on the present extensive and attractive site overlooking the town of Grantham. The original, fine buildings have been refurbished and, together with new buildings, additions and modifications made over the years, provide excellent accommodation and facilities for today's students. Its most famous old girl is Margaret Thatcher, Britain's first woman prime minister. Queen Elizabeth's High School in Gainsborough was founded in 1589 and has been a co-ed school since 1983. It performs excellently in all academic areas as well as having strong sports, public speaking and general knowledge teams. The school also hosts successful music concerts and drama productions throughout the year. The school has maintained the handsome original buildings which add a sense of class when seen from the road. Among its most famous old boys are Sir Halford Mackinder, founder of the School of Geography at Oxford University, and John Robinson, chaplain to the Pilgrim Fathers and Reformed theologian. Queen Elizabeth's Grammar School, Horncastle, was royally chartered by Queen Elizabeth I in 1571 but there had been a formal school in Horncastle already for 250 years. The original Charter document, with its Royal Seal, remains in the safe custody of the school's governors. It is a selective, co-educational, foundation status Grammar School and Sixth Form College. The school also attained a dual specialist status as both a Science College and as a Mathematics and Computing College on a joint basis with Banovallum School, which is also in Horncastle. Exam results have remained constantly in the top 5% in the country since results tables have been published. Spalding High School was opened in 1920 at Ayscoughfee Hall before moving to its current site on Stonegate. It is an all-girls school that also accepts students from Peterborough as well as other parts of Cambridgeshire and Norfolk. Comprehensive and Secondary