Below are some resources that are available to get started in addressing food safety in school and community gardens. A best practices document and supplemental training materials will be available in the fall of 2011 (funding provided by North Carolina Recreation and Parks Association and the NC State Family & Consumer Sciences Foundation).
Garden specific materials:
Food Safety in the School Garden (University of Maryland Extension)
CTAHR Good Agricultural Practices Coaching (School gardens -University of Hawaii)
National GAPs Training material (Cornell)