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 College Darwin -  St. John's College is a private Catholic secondary school based on the Missionaries of the Sacred Heart and Daughters of Our Lady of the Sacred Heart traditions. It is located in Darwin Northern Territory Australia on Salonika Street. It is a co-educational college for day and boarding students from years 7 to 12. The school was established in 1960 at its site in the central Darwin suburb of The Gardens. Many of its students have gone on to notable success some holding high public office.
A:
Educational Institution