Here's an example of a great letter for you to adapt for your own purposes.
(Your group's name)
Your full address
Your phone number and e-mail address (if you have one)
Name of the person you are sending the letter to
Their full address
Dear Sir or Madam (Name, if you know it),
My name is __ and I am __ years old.
(If applicable) I belong to / My friends and I have set up the _ group, which aims to __ (include your mission statement or otherwise sum up your overall goals here. We have already _. (Keep this brief, but mention any former projects to encourage the recipient to take you seriously. For example, an AIDS Awareness Club might say something like: "We have already held a series of school-based discussion groups on protecting yourself from HIV." You could also include an important background fact in this paragraph, for example, on the subject of education, "We are driven by the knowledge that more than 121 million children of primary-school age are not in school, including ___ in our region.")
I am writing to you because (see tips on the content of various types of letters [insert link])
Thank you for taking the time to consider my/our letter. I look forward to hearing from you.
Sign your name
Print or type your name