NEW YORK, March 14, 2011 /PRNewswire/ — Teens throughout the US and Canada joined forces in their schools and communities for teen retailer Aeropostale, Inc. (ARO: 23.515 +0.465 +2.02%) and DoSomething.org’s 4th Annual “Teens for Jeans” campaign. This year, 542,000 jeans were collected bringing the campaign’s four year total to over 1.2 million jeans collected for homeless teens.