Aberdeen Grammar School is one of the twelve state secondary schools in the City of Aberdeen, Scotland, which are run by the Aberdeen City Council education department. It is the oldest in the city and one of oldest grammar schools in the United Kingdom, with a history spanning 750 years. It started as a boys school c.1257 and became coeducational in 1973 when its name was changed to Rubislaw Academy, which was reverted back to its original and current name in 1977.