How To Write A Letter To Parents About Head Lice . Here is what you need to do a combing head check yourself: Cover letter to send home with height weight screening. The dreaded school head lice letter It's the school letter… Flickr from www.flickr.com New headteachers' letters to parents use our template to create a new headteacher's letter to send to your parents. Writing a letter allows you to reread and rewrite your thoughts if you want. This year has no doubt has been a successful year as a teacher.