cover letter for supplements

<p>I posted this under college admission, but since i didn’t get any responses I thought I’d try here. My daughter sent in the common app to the schools with the essay and additional info
(mentioned 2 summer college type programs she took). My daughter is gt/ld and wrote a supplement to send to the schools explaining the problems because her grades are low. She wants to send them via email, but needs a cover letter and has no idea what to say in it. Wondering if anyone had any suggestions. Thanks!</p>