I am writing to request your sponsorship towards accomplishing the mission of the MCAC. 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. Please write your name, organization, or business as it should appear within marketing materials or other records. (You may choose to write "anonymous. In this post, I'm breaking down how to write a donation letter. Explore Schools Donation Forms and find the form that suits your needs. Sample Letter of Instruction - Evangelical Covenant Church - covchurch. Sample letter of instruction please print legibly. How to write a letter asking for donations for a school?