Those school bells will be ringing soon. Make sure the kids are outfitted in the right uniforms by making a shopping trip to Old Navy while their entire selection of uniforms are on sale with prices starting at just $8. And, as we reported earlier, coupon code ONSAVE20 will save an extra 20% off all purchases, while code STUFFSAVE knocks an extra 30% off when used in conjunction with an ON credit card. Although the sale's ending is unknown, the coupons expire 07/17/2013.