Workers prepare some of the more than 8,000lbs of locally grown broccoli from a partnership between Farm to School and Healthy School Meals at Marston Middle School in San Diego, California, March 7, 2011. San Diego's Healthy Works Project received the countries largest grant, 16 million dollars, from the American Recovery and Reinvestment Act 2009 for obesity prevention. REUTERS/Mike Blake (UNITED STATES - Tags: EDUCATION SOCIETY HEALTH FOOD)