Adopt a School Garden
With Back to School around the corner, you still have time to add one more item to the list and complete even after school begins. This site touches on where to register your school for obtaining an Organic Gardening Kit. Gardening is a great tool for teaching. Help plant the seeds of learning.
This is an advertising ploy to buy Annie's products. In order to get the garden, you have to jump thru some hoops, including collecting 100 box tops from Annie’s products. If you already buy those products it's fine.