Dear xxx,
Our beloved xx, congrats of this happy day, It must be a very proud moment for you and yours family. You truly deserve the success! I'm sure that on your graduation day you feel so proud of yourself to finally archive the first degree of your life, well the next one would come even faster than you ever thought 555.
Well, during the hard work, we all acknowledged how much effort and passion that you put in the class to run and run to chase and chase. You told us that you can do it you have to do it the education is very important and you show us that you can really do it with a good grade too.
Thanks for being a good model for the younger people and make all of us proud, Good luck and congratulations!