Writing a donation letter for school can be daunting, but with these free templates, you can send the right message in no time. 1. Enter your school's letterhead and the current date.Thank you for your help in supporting our local schools and community. Sincerely,. Sample Thank You Letter To Local Merchants. We've compiled common types of donation requests, plus carefully crafted templates that your team can use to jumpstart your outreach. Try our free donation request letter templates! Download our standard template or check out our example letters for events, auctions, schools, and more. This free template instantly generates a PDF receipt that can be downloaded, printed for your records, or automatically emailed to donors for their tax returns. In this article, we'll cover how to write a donation letter. Use one of our six sample donation request letter templates to get started.