"Dear Parents, I am writing to thank you for two things. Check out this University of San Diego resource for teaching philosophy prompts to pull from).Teacher Introduction Letter to Parents (Continued). Here are 10 things your welcome letter or email to new members must include plus a template that can be customized for your organization. 1. Enter the date at the top of the letter. Sample Welcome Letter to Parents For Back-To-School. A good welcome letter acts as a travel guidepointing members to key resources, highlighting benefits, and outlining simple next steps. Please check out the following for our principal's welcome message and important information to begin the new school year! Dear Swimmer and Parents,. On behalf of The Bay Club, I would like to take this opportunity to welcome you to the Bay Club junior swim team.