Writing a donation letter for school can be daunting, but with these free templates, you can send the right message in no time. Donations of school supplies can be dropped off at your nearest Salvation Army location in the Twin Cities (find locations).Backpacks and school supplies for K-12 students. Direct Contributions. Already have supplies collected? Complete the supply drive donation form. Here is a supply list letter created for students as well as a donation list for the classroom and letter home to parents. Donations can be dropped off in High Five for Supplies boxes at TCF bank branches. A list of school supply drives in the Twin Cities. Here are ways to give back so every child has the resources they need to go back to school.