An architectural wall panel comprising a panel body including a generally rectangular face plate having an upper end and a lower end. An upper flange generally extends in a rearward direction the upper end and includes a first projection projecting laterally relative to the rearward direction. A lower flange generally extends in a rearward direction from the lower end of the face plate and terminates in a clip. The clip includes a first portion extending toward the upper flange and a second portion extending away from the upper flange and is configured to clamp therebetween a first projection of a second architectural wall panel positioned below the architectural wall panel.