Writing a donation letter for school can be daunting, but with these free templates, you can send the right message in no time. Learn how to write the best donation request letters to secure support for your nonprofit, including six templates to get started.Check out our back to school donation letter selection for the very best in unique or custom, handmade pieces from our templates shops. Primary schools: Request In-N-out donation certificates and they will fax you a form that needs to be filled out and faxed back to them. 2. Try our free donation request letter templates! Download our standard template or check out our example letters for events, auctions, schools, and more. Fundraiser Donation Request Letter. Mobilize your wider school community to help raise the funds you need with this stepbystep guide to donation request letters for schools. Last year, we were able to hand out 400 backpacks filled with supplies to school-aged children in our community. That needs to be filled out and faxed back to them. 2.