St George's Anglican Grammar School is an independent Anglican co-educational secondary day school, located at 50 William Street, in the Perth central business district, Western Australia.

The school is Western Australia's first vertical school – one based in a high rise building rather than on a traditional campus.

[1] St George's Anglican Grammar School opened in January 2015 as the 14th school of the Anglican Schools Commission.

The ASC had acquired the independent Murdoch College, changed its name, and relocated it from the suburb of Murdoch.

[2] In 2021, the school purchased a building at 441 Murray Street for a new campus.