Abstract: A wall-mounted foldable desk for providing an elevated working surface comprising two opposed and upwardly extended side plates, each side plate having top and bottom edges with front and rear edges extended therebetween; a bottom plate having front and rear edges with side edges extended therebetween with each side edge coupled to a bottom edge of a side plate; a back plate having top and bottom edges with side edges extended therebetween with the bottom edge coupled to the rear edge of the bottom plate, each side edge coupled to a rear edge of an adjacent side plate, and the top edge aligned with the top edges of each side plate; a first plate having a top surface and a bottom surface, front and rear edges, and opposed side edges extended between the front and rear edges; pivotal structure for pivotally coupling the side edges of the first plate between the side plates to define a pivotable desk top; extendable structure coupled between the desk top and sidewalls and having one position for allowing desk to