The current campus of National Junior College is located at 37 Hillcrest Road in Bukit Timah, houses both the Junior High and Senior High sections of the school, as well as a boarding school. This current campus features five lecture theatres (with two theatres having a seating capacity of 500), three tutorial room blocks and three information technology rooms. The campus also features three Sigma labs, which are equipped with sophisticated scientific instruments and equipment to promote science research in the college. The college has a dedicated art block as part of the Art Elective Programme (Singapore) (AEP). This Art Centre contains facilities such as a 3-dimensional work-pottery-sculpture studio, a drawing and painting studio, a pottery kiln room, and a photography darkroom to enable students in the AEP to experiment with different art media.