Yes. A template is available at https://drive.google.com/a/anconaschool.org/templates?view=domain
From Google Docs, you can get there using the following steps:
1. Create a new Google Doc as normal
2. Go to the "File" menu of the "Google Doc", and float over "New"
3. Choose the "From template".
4. Choose "Use this template" for "Ancona _School_Letterhead"
5. It creates a new document called "Copy of Ancona_School_Letterhead" using the letterhead template. Change the title to match your letter.