This is the end of the Summer season in our family kitchen garden. All Summer and into the Fall the kids have been picking vegetables (and eating them too) as well as helping make jam and pickles. We just started it in spring and we had enough vegetables for us, and neighbors and friends, all summer (although we have learnt you can have too many spring onions and green peppers. Next year we will be planting more watermelon, cucumbers, basil, lettuce and heirloom tomatoes) If you are in the Northern Hemisphere it is a good time to start your own garden. The secret, we discovered after years of unmanageable weeds overtaking all our efforts, is raised garden beds. They are easy to construct and make the whole process fool proof. Stephanie Alexander (a national icon for cooking in Australia) has implemented kitchen gardens throughout schools in Australia to improve child nutrition and teach communities about the pleasure of growing their own food. The book (actually all her books..) is one you will keep and use for a lifetime. It will teach you how easy it is to grow and prepare food from your own garden. Her kitchen garden website is also full of information.
.....maybe it will inspire you to introduce kitchen gardening to your school.