Yes, I am suggesting that working with schools on these programs would be a good idea. At least here in the US, the PTO (Parent Teacher Organization) is the group with discretionary spending available for this sort of thing. The schools budget funds are consumed by board-approved curriculum. In the US, even elementary PTOs could have as much as $20,000 in annual budget or about $100 per student. Much of this goes to things like playground equipment, landscaping, etc. but there is money available and even organizational help.