Writing a letter to a principal requesting leave for your children requires a formal and polite tone. Next, clearly state your child's name and the school they are leaving.How do I fill this out? To fill out this sample withdrawal letter, first replace the information in brackets with your specific details. Do you want to withdraw your child so you can homeschool? This form will generate a FREE Withdrawal Letter that you can mail to your child's public school. Do you want to withdraw your child so you can homeschool? This form will generate a FREE Withdrawal Letter that you can mail to your child's public school. School premises based on the following provisions. No excusals or adjournments can be granted over the telephone.