Orange High School is a government-funded co-educational comprehensive secondary day school, located in Orange, a city in the Central West region of New South Wales, Australia.

Orange is a city in the Central Tablelands region of New South Wales, Australia. It is 254 km (158 mi) west of the state capital, Sydney [206 km (128 mi) on a great circle], at an altitude of 862 metres (2,828 ft). Orange had an urban population of 41,920 at the 2021 Census, making the city a significant regional centre. A significant nearby landmark is Mount Canobolas with a peak elevation of 1,395 m (4,577 ft) AHD  and commanding views of the district. Orange is situated within the traditional lands of the Wiradjuri Nation.