Dear, *Classmate*
This is *Y/N* and I just wanted you to know, understand, and have knowledge of the fact you're one of the best student's within all the classes, you're the brightest, most encouraging and overall a good person on the inside. I feel like if you kept implying yourself as you do already, you could be really successful and stull be a good person.
Sincerely, *Y/N*