Back to the Roots- They run a program called Grow One, Give One and for every kit sold, they donate a kit to a teacher. Also, they offer discounted rates to teachers. They're cool, check them out!
Botanical Interests Fundraising- Sell seeds to raise funds for your school. Over 500 varieties are available to sell with no order forms, no catalogues, never handle the product and receive 40% of the selling price.