Locker desks are made to emulate the construction of a locker. Hence, the metal construction, and the vented drawers and number/name plate slot. However they are available in great bright colors that are far more attractive than the boring grey lockers of my old school.
Metal Locker Desk:
Metal Locker Desk pictured: American Furniture Alliance Locker 3 Drawer Desk, Multicolor
Metal Locker Desk above: Merax Metal TV Stand Multipurpose Storage Console Sideboard Buffet Table (Black)