Since 2010, the Mount Baker Secondary School has been turning clutter into couture, reinventing recyclables into remarkable ready-to-wear runway restylings, and showing why fashion is truly one of the greatest arts — an organic, personal medium that blends sculpture, painting, and textile design into life experience. This year’s two sold-out shows at the Key City Theatre, presented by the Studio Art 11 and 12 students on May 13, was a unique eve…