Happy birthday to the most intelligent person in our class.
Your dedication to your schoolwork is so inspirational and I sincerely hope that you achieve everything you are striving for this year, as you deserve it more than anyone I know.
I hope you have a fabulous birthday today, fellow classmate.
I want to wish you well and say good luck for the year to come; I hope you get outstanding results in all of your exams. You deserve all the success that comes your way.
I’m glad that we get to share this class together; you always manage to add a touch of brightness to my day. I hope you have an enjoyable birthday today.