Parent-teacher organizations that dedicate a portion of their fundraising money for this program. Identify business partners in their community who are concerned about environmental and science issues who help underwrite all, or a portion, of the cost. Collaborate with other organizations in their community so that Earth Balloon facilitators are in a local community, but visiting several schools throughout a week. Partner with local Nature Centers, Horticultural and Botanical Gardens Smaller schools partner and combine their student bodies, sharing costs and facilities. Invite home-schoolers in the area for a fee to help underwrite the cost.
Some public organizations charge an admission fee .
Combine these strategies.