This letter details your past school activities--most likely high school--to a college that is considering you for admission.
1234, Main Street
Boston, MA 02123
04 April, 2005
<Recipient Address Goes Here>
<time information was requested> you wrote to ask for additional information about some of the extracurricular activities I <participated/have participated> in at <school name>. I am writing to you with a list of the most notable activities.
I was honored to participate in each of my activities, and I hope this list paints the picture of an energetic, well-rounded person. If you need any further information, please give me a call. Thank you for your time.
encl: <List of enclosed items goes here>