Changing Outfits and Clothes in Royale High Image Source: Screenshot by Twinfinite. To change your outfit in Royale High, click on the “Dress Up!” button that’s in the top-left of the menu ...

It seems that the Darling Academia Uniform in Royale High is a purely cosmetic item, with no additional benefits. That said, since the game is geared around RPG and role playing mechanics.