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.This document is a sample in-kind donation request letter. It can be used to contact businesses in support of your program. We'll cover everything you need to know about crafting letters for donations, including five steps for writing successful appeals and three free templates. In this post, I'm breaking down how to write a donation letter. Thank you for choosing to make a donation to GSN. Please fill out the form below. Donation form donor information name email address telephone address is the donor the sole owner of the donated material? Many forms require signatures from a Notary Public or a DMV representative to be valid.