Please answer the following question: Pick one category for the following text. The options are - company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work. Stoke Brunswick School -  Stoke Brunswick School was a small co-educational day and boarding independent school for children aged 3 to 13 years situated in Ashurst Wood West Sussex near the town of East Grinstead. It was the former junior school (after St. George's School in Ascot Berkshire) of British Prime Minister Winston Churchill (then known as Brunswick School and located in Hove near Brighton). The last headmaster was Richard Taylor who took over from Mark Ellerton in 2005.
A:
Educational Institution