Sample Letter Of Appreciation - Thank You Letters Wording Volunteer Appreciation Letter. I would like to say a huge thank you to all those involved in the preparation of the School Christmas party this year. The event was a huge success and we raised in excess of $500. Thank you to all parents who baked cakes and cookies and made homemade gifts and to all those who donated their time to help on the day.Business Thanks · Appreciation Quotes School Thank-You Cards for Custodians, Librarians and Jun 13, 2017School Thank-You Cards for Custodians, Librarians and Other Staff We Love. Take a look at these cards we had created especially to say thank you to the custodians, crossing guards, paraprofessionals, school nurses and other individuals who keep our schools running year-round. You can also get a free PDF of the full set here.