Newcastle Boys’ Grammar School opened on the present site in 1859 in Berkeley House and operated until 1902.

The Sandi Warren Performance Centre is used for musical productions, assemblies, physical education lessons, lectures and dinners.

The west side of the school is the Merrick Courtyard which acts as a sitting area for students and location of the Hill Campus canteen, art rooms, Year 7 student lockers and office area for the Heads of House for Years 7–12.

The Hill Building is a four-story building designed for classrooms such as the languages of French, Japanese and Mandarin, kitchen areas for teaching VET Hospitality, a computer lab, English classrooms and office areas for the Global Studies Department.

Dividing the school into east and west is the Horbury Hunt Hall, used for assemblies and functions.