Take 35% off Kids and School Clothing with the code POPQUIZ and the pin 8114 at Lands' End until 8/22. Shipping is free for orders over $50 and costs $8 for everything else. For example, this Long-Sleeve Graphic Tee, listed at $19.50, is on sale for $14 and the code brings it down 35% more to $9.10. The promotion includes backpacks and school uniforms as well, and it's the biggest discount we've seen for back to school items from this retailer. Sales tax is charged in most states.