after the acceptance

You should also be thinking about financial aid right now if that applies to you. (And get used to thinking about it—you'll have to reapply every year.) Each school's financial aid application process is different. Their financial aid office should direct you to resources and keep you apprised...

Send More Thank You Notes! Your recommenders wrote you a letter, it's your turn to write them another one. (Remember? You should have sent them one right after they agreed to write you a recommendation letter.) Let them know that you were accepted into a program and that you appreciate the role...