Abstract: A partitioning system for segmenting an open area into smaller compartment-like regions includes a grouping of multifunction, interchangeable standardized component parts which are selectively utilized according to the partitioning panel designs to be assembled and the particular configuration desired. The partitioning system includes structural wall panels of a unitized, laminated gypsum sheet construction, window panels, acoustical screens, and door members. Angled joints between adjacent panels include a corner spacer which has a series of radially spaced slots for receipt of face plate members with resultant included angles of either 90.degree., 135.degree. or 180.degree. and the face plate members are configured for snap-fit with variously styled partitioning panel connectors.