Head back to school looking super cool! Click over to Old Navy and for a limited time, you can save 20% on your entire purchase when you apply coupon code ONSCHOOL at checkout. Shop for fabulous printed pants, skinny jeans, bright cardigans, ruffled blouses, graphic tees, crisp polos, colorful footwear and so much more for the entire family. Offer excludes Everyday Steals, uniforms and jeans. Coupon expires tomorrow 08/12/2012. Spend $50 or more and your entire order will ship for free.