The school site is divided into 3 main blocks (A, B and C), mostly consisting of classrooms for sets of subjects that vary between them. Additionally, there are a variety of sports facilities on site.
A block is a 4-story building used for mostly languages, mathematics and science, with other subjects, such as law, also having classrooms there.
The largest building in B block contains the performing arts, except dance (with lessons held in either one of 2 dance studios) and art, as well as the general staffroom. It also contains the Boswells College common room, the school's main library and an additional 2 teaching rooms. A second, smaller building in the block contains the English department and classrooms for subjects such as media studies.
C block is the largest building of the school site: it contains offices for administrative personnel and senior staff members, a canteen for students of the main school with kitchen facilities, a front reception and student office, an indoor sporting area and the school's theater. It also contains large amounts of teaching space, with the technology, IT, Business and Humanities departments in this building.
Indoor sports facilities include 2 dance studios, a large multipurpose sports hall and a swimming pool. Outdoor facilities feature 4 tarmacked spaces, (which can be modified into tennis courts), as well as a large sports field with a grass running track, football and rugby pitches and a cricket circle.