From General Mills Foundation:

The General Mills' Challenge Schools

From the National Aeronautics and Space Administration (NASA):

The Fit Explorer Project

From the National Institutes of Health (NIH):

Media Smart Youth: Eat, Think, and Be Active, an interactive after-school education program of the NIH, seeks to prevent youth overweight by helping youth evaluate the messages they see in the media and by making informed choices regarding diet and exercise. The Media Smart Youth materials are available at http://www.nichd.nih.gov/msy.

The NIH We Can! (Ways to Enhance Children's Activity and Nutrition) program provides parents, caregivers and community organizations with practical tools to help children 8-13 years old stay at a healthy weight. Tips, fun activities, and curricula for parents and youth, including Media Smart Youth, focus on three critical behaviors: improved food choices, increased physical activity and reduced screen time. The We Can! materials are available at http://wecan.nhlbi.nih.gov or by calling toll-free 1-866-35-WECAN.

From GOPHER Sport/The President's Challenge Program: "Active & Healthy Schools Program"