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. St. John's Diocesan Girls' Higher Secondary School - St. John's Diocesan Girls' H.S. School (also known as St. John's Diocesan Girls' High School or Dio) is situated in the city of Kolkata (old name Calcutta) in West Bengal state India . It was established in 1876. Standing on the crossing of Sarat Bose Road (erstwhile Lansdowne Road ) and Elgin Road in South Kolkata.In November 2004 a branch of the school was established in Bamunbagan slum area with 26 children.
A:
Educational Institution