The document provides 7 summer fundraising ideas for nonprofits and schools: 1) A water balloon fight, 2) An ice cream party, 3) An outdoor movie screening, 4) A barbecue extravaganza, 5) A swim-a-thon, 6) An outdoor fitness club with challenges, and 7) Summer excursions like camping or hiking trips. Each idea is accompanied by tips and considerations for organizing the event to successfully raise funds during the summer months.